按要求变化下列句子。
1. Will you visit Shanghai next week? (作肯定回答)
______, ______ ______.
2. Can it walk? (作肯定回答)
______, ______ ______.
3. It will be hot in Shenyang. (变为一般疑问句,并作否定回答)
___________________________________________________
___________________________________________________
4. What's that? (用a ball来回答)
______________________.