The students ____ on a farm for ten days. Then they ____ to a factory. Though they ____ back at school, they still remembered those farmers and workers.
A. have stayed; went; were
B. had stayed; go; are
C. have stayed; go; have been
D. had stayed; went; were
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John is ____ English boy. We are in the same class
A. a
B. an
C. the
D. /
Please give ____ the apple.
A. me
B. I
C. my
D. mine
“____ old are you?” “I'm twelve.”
A. Who
B. What
C. Where
D. How
“Can you answer this question, Sam?” “No, I ____.”
A. can't
B. needn't
C. mustn't
D. may not