题目内容
-I saw Betty go to Grandpa Zhang's home just now.
-Yes.She is often seen ________ the old man with his housework.
A.help
B.to help
C.helps
D.helped
解析:
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在被动语态中,see sb do sth中的不定式符号必须补上。即Sb be seen to do sth.故选B项。 |
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题目内容
-I saw Betty go to Grandpa Zhang's home just now.
-Yes.She is often seen ________ the old man with his housework.
A.help
B.to help
C.helps
D.helped
|
在被动语态中,see sb do sth中的不定式符号必须补上。即Sb be seen to do sth.故选B项。 |
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