题目内容
. He was just about to give up and return to his bedroom for a good rest ________ he had a bright idea.
| A.but | B.while | C.until | D.when |
D
解析
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题目内容
. He was just about to give up and return to his bedroom for a good rest ________ he had a bright idea.
| A.but | B.while | C.until | D.when |
D
解析