There is no difference between the two words. I really don't know_______ .
A. what to choose
B. which to choose
C. to choose which
D. to choose what
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The teacher told the students______ in class.
A. not talk
B. don't talk
C. didn't talk
D. not to talk
Please be quiet. We are not allowed _____much noise in the reading room.
A. to make
B. make
C. making
D. to making
---I'm sorry I ____my exercise book at home.---Don't forget _____it to school tomorrow, please.
A. left, bringing
B. left, to bring
C. forgot, to bring
D. left, to take
It's a good habit to __breakfast every day.
A. had
B. have
C. has
D. to have
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