【題目】五、句型轉(zhuǎn)換。21按照要求完成句子。
（1）Must we drink eight cups of water every day? (作否定回答)No, .
（2）You'd better ask our computer teacher for help. (改為否定句)You'd better our computer teacher for help.
（3）I play basketball twice a week. (對畫線部分提問) do you play basketball?
（4）You mustn't smoke here. (同義句轉(zhuǎn)換) here!
（5）What's wrong?(同義句轉(zhuǎn)換) What's ?

【答案】
（1）we/ you,don't,have,to
（2）not,ask
（3）How,often
（4）Don't,smoke
（5）the,matter
【解析】（1）句意: 我們每天一定要喝八杯水嗎？對于must開頭的疑問句，否定回答通常用needn't或not have to 這里有四個空，所以答案是we/ you don't have to.
（2）句意: 你最好向微機老師尋求幫助。You'd better do sth.你最好做某事。它的否定形式 為You'd better not do sth.你最好不要做某事。 所以答案是not ask。
（2）句意: 我一周打兩次籃球。對一周兩次提問，即對頻率提問，應用How often多久一次。所以答案是How often.
（3）原句句意: 在這禁止吸煙。mustn't表示絕對禁止。表達禁止做某事，命令不要做某事也可以用祈使句的否定形式。所以答案是Don't smoke。
（5）原句句意: 怎么了？詢問對方出了什么問題可以用“What's wrong?”或“What's the matter?”所以答案是the matter。

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