题目内容
Someone called me up in the middle of the night,but they hung up ________I could answer the phone.?
| A.as | B.since | C.before | D.until |
C?
这句话的意思是“午夜有人给我打电话,但是在我接电话之前,他们又挂了”。?
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| A.as | B.since | C.before | D.until |