问题

Thanks for __________ my grandpa when I was away.

A:It；for us finish
B:This；to finish
C:It；for us to finish
D:That；for us to finish;

正确答案是：

同类题型

Things are ____ on the moon ____ on theearth .

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mbers that researchers get from the experimentscan be _______, just like number puzzles.

MaybeI’mnotveryhealthy,___Ihavehealthyhabits.