用所给词的适当形式完成下列句子。
1．Thank you for ______ (invite) me.
2．I'm planning ______ (spend) time in the beautiful countryside.
3．We're ______ (leave) for Beijing for vacation next week.
4．We often have fun ______ (play) basketball after school.
5．We should eat a ______ (balance) diet to stay healthy.
6．She draws as ______ (well) as Han Mei.
7．My parents are learning how ______ (use) the computer.
8．What about ______ (go) to the concert?
9．Please ______(not talk) in class.
10．Which book is a little ______ (easy), this one or that one?