It’s time for us to go to school so let’s the problem and discuss it later OK?A. set as

问题补充：

It’s time for us to go to school, so let’s the problem and discuss it later,OK?

A. set aside

B. set up

C. set out

D. set off

答案：

(答案→)A. set aside

B. set up

C. set out

D. set off

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