1. (2017·凉州) 根据句意，用括号内所绐单词的适当形式填空。

1. （1） 1t's difficult to be  (friend) with everyone.
   

3. （2） Be quiet! The patients ( sleep).
5. （3） The boy got the( one) place in the singing competition.
7. （4） The girl expected all her classmates ( come) to her party.
9. （5） I promise I ( send) you an email to explain all of these tomorrow.
11. （6） He was driving as ( fast) as possible.
13. （7） The red umbrella doesn' t belong to me—it' s(she).
15. （8） English ( speak) all over the world.
17. （9） We all need a (health) environment.
19. （10） You( grow) since the last time I saw you.