题目内容
Martin looks so well. We've never seen him ________ so well before.
[ ]
A．is looked
B．is looking
C．to look
D．look
答案：D
解析：
解析：
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英语中有些词要求跟不带 to的动词不定式做它的宾语补足语，常见的有see, hear, make, let, watch等感官动词和使役动词．本题考的是see sb. do结构．故答案选D． |
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Martin looks so well. We never seen him ________ so well before.
[ ]
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B ．is looking |
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Martin looks so well. We’ve never seen him ______ so well before.
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