1. (2021·温州模拟) 用方框中所给单词的适当形式填空。每词仅用一次，每空不限填一词。

sweep  certain  whether  child  valuable

1. （1） —Hello, may I speak to Mrs. White?

   —Wait a minute, please. Shethe floor.

3. （2） This book providesinformation than other ones.
5. （3） My science teacher asked meI needed any help.
7. （4） should be allowed to have enough time to do what they like.
9. （5） The service in that restaurant is so terrible. I'mnever going there again.