Page 91 - Grammar For YDT - 12

MODAL VERBS - CONSOLIDATION (2)

9. ---- international students who had to work to earn their 13. It is highly possible to say that seafaring people of
living were to return to their countries during the Covid-19 ancient China and Egypt ---- their boats by the sun and
pandemic as ---- had financial support from their families. the stars because historians ---- us about a number of
books on this subject.
A) Quite a few / none
A) should have steered / used to inform
B) Enough of the / all
B) might steer / will inform
C) Lots of / each
C) must have steered / inform
D) A large amount of / a few
D) could be steering / have informed
E) Many / several
E) may have steered / are informing

10. When we interpret the sources about the epidemics 14. Potters in the Mayan civilisation ---- a long distance to
occurring ---- in the ancient Hellenic and Roman gather their raw materials as the land ---- the necessary
civilisations, we see that people living in ---- times soil for them.
considered them as punishments sent by the gods.
A) did not need to move / supplied
A) every other / these
B) shouldn’t have moved / supplies
B) another / this
C) needn’t have moved / would supply
C) the other / the ones
D) can’t be moving / was supplying
D) others / that
E) couldn’t have moved / has supplied
E) one after another / those

11. Researchers have found that reducing the consumption 15. Children ---- near emergency exit doors because they ----
of red meat and replacing it with seafood species the physical power and practical capacity to follow cabin
----nutrition; however, overfishing, the main driver of attendants’ instructions in an emergency.
ocean wildlife population decline, ---- ocean biodiversity.
A) are not supposed to sit / should lack
A) could be improving / may have harmed
B) mustn’t be sitting / might have lacked
B) can improve / should be harming
C) don’t have to sit / could have lacked
C) used to improve / might harm
D) are not allowed to sit / may lack
D) may improve / is likely to harm
E) can’t be sitting / must lack
E) must have improved / would be harming

12. The wind ---- the world’s fastest-growing renewable 16. No matter how advanced and sophisticated modern
energy source, and this trend ---- with falling costs. technology is, it ---- all the rich and subtle clues that face-
to-face communication contains, as humans ---- in social
A) is / was about to continue
groups for millions of years.
B) has been / is expected to continue
A) may not be providing / have lived
C) will be / should be continuing
B) didn’t need to provide / were living
D) was / would have continued
C) shouldn’t have provided / will live
E) had been / used to continue
D) aren’t allowed to provide / live
E) can’t provide / have been living

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