题目内容
Which of the following can NOT be used as subject?
A.Mary | B.walking along the street |
C.they | D.feed the animals |
D
一般作为主题时,要用名词,代词或相当于名词的词来修饰,而ABC都是相当于名词的词,或代词,故选答案为D,D为动词词组。
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