五、为下列句子选择相应的答语。
()1. What are you going to do tomorrow?
()2. What will you do next weekend?
()3. Can you give me your telephone number?
()4. Did you go to the supermarket yesterday?
()5. Where are you going?
()6. Is this letter from Tom?
()7. Are you going to be at home this evening?
()8. Where did you borrow the books?

1.E 2.B 3.A 4.C 5.D 6.H 7.F 8.G

我们可以根据问句的句式和含义匹配对应的答语：
1. 问句"What are you going to do tomorrow?"是用be going to结构提问明天的计划，对应回答也要用be going to结构说明打算做的事，选E。
2. 问句"What will you do next weekend?"是用will提问下周末的计划，对应回答也要用will说明将要做的事，选B。
3. 问句"Can you give me your telephone number?"是提出请求，"Of course."表示同意请求，符合语境，选A。
4. 问句"Did you go to the supermarket yesterday?"是did引导的一般过去时一般疑问句，否定回答为"No, I didn't."，选C。
5. 问句"Where are you going?"是询问要去的地点，回答要说明目的地，选D。
6. 问句"Is this letter from Tom?"是is引导的一般疑问句，主语是事物，回答用it指代，肯定回答为"Yes, it is."，选H。
7. 问句"Are you going to be at home this evening?"是are you引导的一般疑问句，肯定回答为"Yes, I am."，选F。
8. 问句"Where did you borrow the books?"是询问借书的地点，回答要说明借书的出处，选G。