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11 Jun 2021, 04:30
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A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
80% (01:08) correct
20%
(01:11)
wrong
based on 96
sessions
History
Date
Time
Result
Not Attempted Yet
All smoke alarms in one's house should be tested once a month, and their batteries should be replaced annually.
(A) All smoke alarms in one's house should be tested once a month, and their batteries should be replaced annually
(B) All smoke alarms in one's house should be tested once their batteries are replaced annually
(C) One should test all smoke alarms in one's house once a month and annually replace their batteries once a year
(D) All smoke alarms in one's house should be tested once a month, and each year their batteries should be replaced annually
(E) One should test all smoke alarms in one's house every month and annually replace its batteries
(A) All smoke alarms in one's house should be tested once a month, and their batteries should be replaced annually
(B) All smoke alarms in one's house should be tested once their batteries are replaced annually
(C) One should test all smoke alarms in one's house once a month and annually replace their batteries once a year
(D) All smoke alarms in one's house should be tested once a month, and each year their batteries should be replaced annually
(E) One should test all smoke alarms in one's house every month and annually replace its batteries
13 Jun 2021, 03:15
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Bunuel
Official Explanation
(A): The plural pronoun their in this sentence agrees with the plural noun alarms, and the word annually is not repeated by once a year, as in some of the other answer choices.
What helps us identify this mistake is the following Stop Sign: Any pronoun in the underlined part of the sentence or after the underlined part
(B): While grammatically and stylistically correct, this answer choice changes the meaning of the original sentence. By omitting the words a month, and, should be the sentence, a single sentence is created which states smoke alarms should be tested once a year, when their batteries are replaced.
(C): This answer choice is stylistically flawed. Using both annual and year is redundant.
What helps us identify this mistake is the following Stop Sign: annual + year
(D): Same as C
(E): This answer choice is grammatically incorrect. The singular pronoun its does not agree with the plural noun smoke alarms to which it refers.
What helps us identify this mistake is the following Stop Sign: Any pronoun in the underlined part of the sentence or after the underlined part.
Answer: A
General Discussion
11 Jun 2021, 08:11
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IMO - A
All smoke alarms in one's house should be tested once a month, and their batteries should be replaced annually.
(A) All smoke alarms in one's house should be tested once a month, and their batteries should be replaced annually - ok
(B) All smoke alarms in one's house should be tested once their batteries are replaced annually - changed the meaning of the sentence
(C) One should test all smoke alarms in one's house once a month and annually replace their batteries once a year - annually and once a year redundant
(D) All smoke alarms in one's house should be tested once a month, and each year their batteries should be replaced annually - annually and each year redundant
(E) One should test all smoke alarms in one's house every month and annually replace its batteries - its does not agree with plural noun smoke alarms
All smoke alarms in one's house should be tested once a month, and their batteries should be replaced annually.
(A) All smoke alarms in one's house should be tested once a month, and their batteries should be replaced annually - ok
(B) All smoke alarms in one's house should be tested once their batteries are replaced annually - changed the meaning of the sentence
(C) One should test all smoke alarms in one's house once a month and annually replace their batteries once a year - annually and once a year redundant
(D) All smoke alarms in one's house should be tested once a month, and each year their batteries should be replaced annually - annually and each year redundant
(E) One should test all smoke alarms in one's house every month and annually replace its batteries - its does not agree with plural noun smoke alarms
