用所给词的适当形式填空.（看详细提问）
1、________(not)you want to come with us
2、I________(mail)the letter last week.Haven't you got it?
3、________(not)I tell you to be quick?
4、He is tying to ________(help)the elder.
5、I am trying hard to ________(pass)the final examination.
6、The book is worth _______(read).
7、You must ________(send)the file to the boss.
8、Did you ________(read)the texbook last night?
9、Tom,________(learn)in your room.
10、Mike,________(turn)down the radio.