[ 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

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FOR & SINCEIndependent ClausesMixed GrammarSentences vs Run-OnsGrammar and PrepositionsShould, Should not havePronounsPossessive Nouns with Apostrophes and PronounsComparison & Modal Verbs in Passive VoiceSubject, Object, Possessive Pronoun and Possessive AdjectivesOther quiz:
Grammar › ViewOn some large campuses there are _____ that take students around.
A. tutors
B. shuttles
C. certificate programs
Grammar › View
Choose the correct piece words.
Please give Mohan a …………of mango.
A. scoops
B. slice
C. grains