We should return the books to the library time．（ ）
| A． |
about |
B． |
on |
C． |
by |
D． |
for |
It's not your turn yet．Please wait on the chair over there until you _______．（ ）
| A． |
are calling |
| B． |
have called |
| C． |
are called |
Oh，no!We've missed the 9 o'clock train!
______．There's another one in half an hour．（ ）
| A． |
Don't worry |
| B． |
Hurry up |
| C． |
Give me a break |
I just want to know _______．（ ）
A．why he likes computer games so much
B．why does he like computer games so much
C．why will he like computer games so much
D．why he like computer games so much
_______ nice weather! Let's go swimming in our swimming pool．
Good idea!（ ）
A．What aB．How aC．WhatD．How
Mum， I've got a medal in the sports meeting．
________!（ ）
A．CongratulationsB．Good luck
C．No problemD．It depends