1. 用方框中所给单词或短语的适当形式填空。

at least, take off, true, make mistakes, try out

1. （1） —I'm sorry I can't finish the work on time.

   —That's nothing. But you must finish half of the work today.

3. （2） The sum (总数) is wrong, but I can't find out where I .
5. （3） In my opinion, it's time to tell him the whole about his family.
7. （4） Many people are looking forward to the new video game.
9. （5） You should the game the computer.