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问题: 英语题

4.You can't talk to your parents like this.It's____.
A.polite B.politely C.impolite D.impolitely

16.where's Tom?
I saw him _____ football in the playground.
A.play B.plays C.played D.to play

19._____a big shop! _____ nice the watches in it are !
A.What;What B.How;How C.How;What D.What;How

单选题,答案是什么,为什么其它不行,谢谢

解答:

4.You can't talk to your parents like this.It's____.
A.polite B.politely C.impolite D.impolitely
选C.在It's后应该用形容词做表语,根据句意为不礼貌的,所以选C.
16.where's Tom?
I saw him _____ football in the playground.
A.play B.plays C.played D.to play
选A.see sb. do sth或 see sb doing sth 是固定用法,只能选A.
19._____a big shop! _____ nice the watches in it are !
A.What;What B.How;How C.How;What D.What;How
选D.在感叹句中,What后跟被形容词修饰的名词,How 后跟形容词或副词,然后再跟主谓结构.第一句省略了主谓结构it is,第二句的主谓结构是the watches in it are .