Topics: Modal Auxiliaries
When Mr. Lee was younger, he ________ work in the garden for hours, but now he has to take frequent rests because he has emphysema.
A. has got to
B. can
C. should be able to
D. could
Select your answer:
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Gerund and To InfinitivePast Simple & Past ContinuousHelping and Linking VerbsComparatives and Past Perfect TenseTenses - Pasive VoicePassive Voice with Modal VerbsLanguage Features of an Opinion ArticleCollective NounsArticle & PrepositionGrammar TOEFLOther quiz:
Grammar › ViewHe is __________ than his friend.
A. smarter
B. most smart
C. smartest
D. more smart
Conjunctions › View
I studied very hard _____ I took the exam.
A. before
B. after
C. when
D. although