题目内容
The chief editor came upstairs and asked what was ________.A. happened B. going on C. took place D. held
答案:B
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提示:
| 进行时表示正在作某事。
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题目内容
The chief editor came upstairs and asked what was ________.A. happened B. going on C. took place D. held
| 进行时表示正在作某事。
|