His mother happened _______ when his program was shown on Channel Young.
| A．watching TV | B．to watch TV |
| C．to be watching TV | D．being watching TV |
相关试题
第一部分: 英语知识运用（共两节，满分50）
第一节: 单项选择（共20小题, 每小题1分, 满分20分）
请认真阅读下面各题，从题中所给的A. B. C.D四个选项中，选出最佳选项，并在答题卡上将该项涂黑。
—What do you think of their marriage?
—______, if I were Kate, I would not marry him.
A. Generally speaking B. I have no idea C. To be honest D. To my surprise
_________ the project in time, the workers were working at weekends.
| A．Completing | B．Having completed | C．To have completed | D．To complete |
_________ many times, he finally understood it.
| A．Told | B．Telling | C．Having told | D．Having been told |
The chairman thought _________ necessary to invite Professor Smith to speak at the meeting.
| A．that | B．it | C．this | D．him |
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