You are not supposed to enter the teachers' office _____（ ）
| A． |
unless you are allowed to |
| B． |
if you want to ask questions |
| C． |
when you are asked to come in |
The summer vacation is coming．Why don't you go to the beach to enjoy the sunshine？
Sounds great．____advice!（ ）
| A． |
What good |
| B． |
How good |
| C． |
What a good |
The group had to wait ______ after 12to check in at the hotel．（ ）
| A． |
from |
B． |
until |
C． |
for |
D． |
at |
What should we do to protect the fish in the river？
We_______ throw rubbish into the river．（ ）
| A． |
need |
B． |
needn't |
C． |
must |
D． |
mustn't |
Tom was not listening carefully，so he failed to hear ．（ ）
| A． |
what the teacher said |
| B． |
how the teacher said |
| C． |
what did the teacher say |
| D． |
how did the teacher say |
I think that you need to eat sweets and more fruit．（ ）
| A． |
few |
B． |
fewer |
C． |
little |
D． |
less |