—Let's have a rest, shall we?—Not now. I don't want to stop____ the letter yet.
A. write
B. to write
C. writing
D. and write
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The boy was too busy ______ his father last term.
A. to hear from
B. to write to
C. hearing from
D. write to
Remember____ your homework here tomorrow.
A. to bring
B. to take
C. bringing
D. taking
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
The teacher told the students______ in class.
A. not talk
B. don't talk
C. didn't talk
D. not to talk
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