现在进行时专项训练
三、句型转换:
1.Theyaredoinghousework.(分别改成一般疑问句和否定句)
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2.Thestudentsarecleaningtheclassroom.(改一般疑问句并作肯定和否定回答)
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3.I'mplayingthefootball(intheplayground).(对括号里的部分提问)
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4.Tomis(readingbooks)inhisstudy.(对括号里的部分提问)
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