{01}— Did he realize the serious situation immediately? — No. It was quite a long time ________ he really realized it.
A.now that
B.when
C.ever since
D.before
解析:连词辨析。A.既然;由于 B.当……时C. 从那时到现在 D. 在……之前。句意:他理解意识到了这严重的情况吗?——不,在他真正意识到它之前,有相当长一段时间。故选D。 本题选D。 {02}—The rescue team are considering ______they can do more for the people suffering from the snow storm. —So they are.
A.what
B.whatever
C.if
D.how
解析:因为they can do more 句中已有宾语more,所以不能使用what和whatever ,又根据句意“援救队员们正在考虑怎样才能为那些遭受暴风雪的人们多做些事情。” 所以答案D。 本题选D。
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