题目内容
将下列句子改为否定句和一般疑问句
3. The old man is cleaning the room.
4. Tm reading.
3.The old man isn't cleaning the room. Is the old man cleaning the room? 4. Tm not reading. Are you reading?
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题目内容
将下列句子改为否定句和一般疑问句
3. The old man is cleaning the room.
4. Tm reading.
3.The old man isn't cleaning the room. Is the old man cleaning the room? 4. Tm not reading. Are you reading?