问题
选择题
| — Here is Paul! We _____ anxiously for him since last night. — Maybe something happened to him. |
A. waited B. were waiting C. had waited D. have been waiting |
答案
答案：D
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| — Here is Paul! We _____ anxiously for him since last night. — Maybe something happened to him. |
A. waited B. were waiting C. had waited D. have been waiting |
答案：D