1. 用方框内所给单词或短语的适当形式完成下列句子（有一项多余）

check    bad    go    try out    long    little

1. （1） Now let's start the computer again if it is working well.
3. （2） You'd better the TV before you pay for it.
5. （3） The weather is becoming even these days.
7. （4） Something wrong with the computer at times.
9. （5） We should brush our teeth at twice a day.