题目内容
The woman at large was observed ________ the supermarket and then she went out of it.
[ ]
A.
enter
B.
to enter
C.
entered
D.
entering
答案:B
解析:
解析:
|
observe在题中用的是被动态,动词宾语为完成的动作时,动词用不定式。 |
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