问题
The naughty boy found himself ____ by his teacher when he looked up from his picture book.
A:to watch
B:being watched
C:was watched
D:watching;
B:being watched
C:was watched
D:watching;
正确答案是：
同类题型
If you ________ at school, you _______ a college student now.
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The problem is__________he has enough time.
The hunter________that tiger，but luckily，it avoided________.
After a short rest, the soldiers keep on _________till midnight.