Kate, could you ___ the radio a bit? Your father is sleeping now.
A. turn on
B. turn up
C. turn down
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Your classroom is so dirty. Everyone should keep it ___.
A. clean
B. dry
C. quiet
What a cold day! Sam, you’d better ___ more clothes.
A. put on
B. to put on
C. to take off
— Dad, must I finish my homework today?— No, you ___ . You ___ do it tomorrow.
A. mustn’t/can
B. needn’t/can
C. mustn’t/must
— I’m going to school now, mum. Bye!— Bye! It’s cold outside. ___ the door for me, please.
A. Shut
B. Open
C. Air