________him the secret, will you？
A. Don’t tell
B. Not to tell
C. Not telling
D. No telling
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It is difficult to get used ____ in a tent after having a soft, comfortable bed to lie on.
A. sleep
B. to sleeping
C. slept
D. to sleep
– Can you finish this work on time？ -- _____________.
A. I’m afraid not.
B. It’s good.
C. Good idea.
D. Thanks a lot.
She put a blanket over the baby for fear that he ____________cold.
A. caught
B. has caught
C. catches
D. should catch
I forgot to ring up Mr. Wang yesterday, so I _______ today.
A. can do it
B. must do it
C. had to do it
D. must have to do it
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