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5.根據(jù)所給提示,完成句子.每空一詞,含縮略詞.
Mark is watching TV now.(改為否定句)
Markisn′twatchingTV now.

分析 馬克現(xiàn)在正在看電視.

解答 從句意可知,否定句為:馬克現(xiàn)在沒(méi)有看電視,故需要對(duì)is watching,進(jìn)行否定,根據(jù)每空一詞,含縮略詞
故填:isn't;watching.

點(diǎn)評(píng) 改為否定句,關(guān)鍵是對(duì)is進(jìn)行否定,isn't 是 is not的縮寫(xiě)形式.

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