题目内容
| ____to reach them on the phone, we sent an e-mail instead. |
A. Fail B. Failed C. To fail D. Having failed |
试题答案
D
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_______to reach them on the phone, we sent an e-mail instead.
[ ]
A. Fail
B. Failed
C. To fail
D. Having failed
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B. Failed
C. To fail
D. Having failed