Let's look for the answers for the blanks individually.
The sentence starts with a therefore
implying that there is a conclusion that would solve the issue of outdated materials. 3rd option seems the most plausible.
For the second blank,
furthermore means that the sentence succeeding would add more value to the preceding sentence i.e online simulations are far more engaging. The 4th option seems the best fit for the blank out of the given options.
Bunuel
Manager: Our company's annual leadership training sessions have recently received poor feedback. A major issue seems to be that the case study materials we use are outdated and no longer reflect current business challenges. Therefore, I suggest that ____1____. Although traditional printed casebooks are less expensive upfront than many alternatives (such as updated e-books), interactive online simulations are far more engaging and better tailored to modern leadership needs. Furthermore, ____2____.
Select for
Statement 1 and for
Statement 2 the two sentences that best complete the argument. Make only two selections, one in each column.