Have you checked all the goods to the medical workers back from the fight agains
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Have you checked all the goods ________ to the medical workers back from the fight against SARS in Beijing?
A.sent
B.being sent
C.sending
D.to be sent
试题答案
D
导解:既然问“有没有检查过”,可见当时send动作还没发出,因此选D.