题目内容
I was on the point of going to bed ________ Mr. Zhang rang.
A. as B. when C. while D. and
B
解析:
因为句中的并列连词when = just at that time, 意为“这时(突然)”。
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题目内容
I was on the point of going to bed ________ Mr. Zhang rang.
A. as B. when C. while D. and
B
因为句中的并列连词when = just at that time, 意为“这时(突然)”。