问题 选择题

Up to now, large quantities of food         to Africa to save the starving people.

A.has been sent

B.have been sent

C.are sent

D.is sent

答案

答案:B

考查固定结构。large quantities of +n做主语时,谓语动词一直用复数。根据up to now,与完成时连用。

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