按要求變換下列各句：
1.The hamburger isfive dollars.(對劃線部分提問)
________ ______ is the hamburger?
2.They can flykites .(改為一般疑問句,并做出肯定回答）
______ ______ fly kites?Yes,_____ ______ .
3.I want to drink cola.(對劃線部分提問)
________ do you want to drink?
4.There is a bookon the desk.(改為一般疑問句,并做出否定回答)
_______ ________abook on the desk?No,_____________ .
5.They arewatching TV.(改為否定句)
They___________ watching TV.