[ Tenses ]
The students ___ the answers before the teacher asked.
A. knew
B. have known
C. had known
D. know
Select your answer:
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Grammar › ViewThe birds always sleep at …………………..nests.
A. her
B. my
C. their
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I want to lose weight, so I _____ stop eating so many hamburgers.
A. must to
B. have to
C. had got to
D. don’t have to