问题

I haven’t seen you for a couple of daysWhat have you been up _____?

A:in
B:to
C:with
D:for

正确答案是：

同类题型

Are you satisfied with what she has done—Not a little It can’t be ________

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The day _____ Nelson Mandela helped me was one of my happiest.

I don’t know if Mr Wang ________heretomorrow . If he ______ , please tell me.

Has Tom finished his composition yet? —I have no idea, he _____ it this morning