问题 选择题

In America, many people waste a lot of food _____ in Africa people haven’t enough to eat.

A.however

B.although

C.as

D.while

答案

答案:D

考查连词。However 然而,although 虽然,as 因为,while 当什么时候,然而(表示对比)句意:在美国许多人浪费了很多食物,然而在非洲人们没有足够的吃的。故选D。

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