题目内容
— 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 |
D
解析

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题目内容
— 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 |
D
解析