A few suggestions that will help:
1st of all: Stop defeating yourself. The questions will always be the same questions and will have the same answers and methods to solve them always. They always make sense, but may not to you at the moment because you don't understand them. Just work on your understanding. Focus ONLY on answering the question being asked, not ridiculous things like "I can't get good enough" or "this is too hard." Self-defeatism is a dangerous virus that builds on itself and will drive you to your knees if you indulge in it. Keep working at improving. It is obvious from your post that you need improvement in your verbal ability and your GMAT verbal shows that too. Keep working on improving your ability and you will get there if you put in the effort you need to.
2nd of all: This might take longer than you want it to. Case in point: To study for my first GMAT I got up at 5am every morning during the week and would study. I would study after I got home from work each day. I would do 2 practice tests with a full review and more practice on the weekends. I thought I was ready. I took the GMAT and scored a 600.
What did I do? Sit and ruminate in self-pity forever wondering, "Why me? I'll never be good enough." or other non-constructive things that do NOTHING to help the situation? No. I said: "Well, need to change some things and study again." So I lived in my bedroom for 10 weeks studying and changing my study habits where I knew I should change them. Did nothing else except work and study. I took the GMAT a second time and scored a 700.
There is a story of a girl on here who studied for ~8 hours every day for 6 months and scored a 720 and some people who studied for 2 weeks and scored a 730. The point is that if your abilities are not up to the level needed to score what you desire to score on the test you must work on improving them. That is all. No other crazy thoughts or self pity. Just improve your abilities. Achievement is a choice, not a predetermined outcome. For some it takes longer than others. So be it. Choose to improve until you can score what you need to in verbal.
3rd of all: As for a few suggestions to improve verbal, it is clear that you are not a native English speaker from your post. One suggestion is to read an American newspaper every morning. The newspaper uses a lot of the grammar, structure, and style that is used on the GMAT and will make you more familiar with how sentences "are supposed to be." It makes a bigger difference than one may think and for a non-native test-taker this should help you a lot if it helped me (native speaker). Flashcards of wrong problems may help too. They made a big difference in my studying when I scored a 700. Write the questions that you get wrong on one side and the right answer, an explanation of why that is the right answer, and what you need to do to answer similar questions correctly in the future on the other side. Take a look at how you are studying; there are always things you can to do improve your study methods.
Bottom line: The GMAT is impersonal. It challenges people; those that seriously want to get into a good business school will do what it takes to score well. That is what is great about it. For some it takes longer and may take multiple attempts (me as an example). I won't delve into the psychology of it but if you truly believe that you will score well and are willing to do whatever it takes you will achieve the score you desire. I promise you with the purest of my sincerity.
Best wishes and future congratulations on your great GMAT score. Crush it!