I to bed when the telephone rang. A.have been B.went C.am going D.was going
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I _____ to bed when the telephone rang.
| A.have been | B.went | C.am going | D.was going |
试题答案
【答案】
D
【解析】略

I _____ to bed when the telephone rang.
| A.have been | B.went | C.am going | D.was going |
【答案】
D
【解析】略