1.Is this the best book you have ever read?
-Yes, it is. -No, it isn't.
2.Is China still the country that it usde to be?
-Yes, it is. -No, it isn't.
3. Is he driving a car?
-Yes, he is. -No, he isn't.
4. Do they like play piano very much?
-Yes, they do. -No, they don't.
5.Is that man very afraid worried?
-Yes, he is. -No, he isnt'
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第五句说实在的没看懂,是“那个看上去很害怕的男人很焦虑?”
你似乎写错了,检查下.