—Can I join Oxfam Trailwalker?

—Only if you are _____ eighteen.

A. over　　　　　 B. on　　　　　　 C. under　　　　　 D. below

There are a lot _____ students on the playground.

  A. of                    B. in                      C. by

1 think drinking milk is good _ our health.

A．for        B. to       C. with        D. at

The car looks nice．Besides，it’s much greener because it uses electricity instead of gas．

  A．However       B．What’s more    C Even though   D．What’s worse

Hurry if you want to be____ for the beginning of the movie．

    A．at times      B. in time    C．all the time   D．from time to time

 When I got in to the room，Sue was busy talking _____ the phone.

         A. with    B. on    C. to D. in

The smile on my mother`s face shows that she is ____________ with me.

    A pleased           B angry         C strict

It’s very kind    you .Thank you for your help.

  A. of    B. for    C. to  D. on

 Whenever you meet with difficulties, you can ask the policeman ____help.

A. at               B. in           C. for          D. with

--We’re all here 　　 Lily． Where’s she？

--She’s gone to the library．

　 A． beside　　　　 B． besides　　　　 C． except　　　　 D． of