﹣﹣﹣I think it is a good way to study English by watching English movies.
﹣﹣﹣I agree.I find it _______ to improve my listening.（ ）
A．harmfulB．thankfulC．carefulD．helpful
_____Aron has lost his right arm， he never gives up his dream to climb mountains．（ ）
| A． |
Since |
B． |
Although |
C． |
Unless |
D． |
If |
The accident took place_____ a cold November evening．（ ）
| A． |
on |
B． |
in |
C． |
at |
D． |
for |
What_____useful book it is!
Yeah， it tells you how to play the guitar．（ ）
| A． |
an |
B． |
a |
C． |
the |
D． |
/ |
Our neighborhood is so dirty． Shall we clean it this afternoon or tomorrow？
____．Any time is OK．（ ）
| A． |
It is up to you |
B． |
Excuse me |
| C． |
Have a good time |
D． |
I'm afraid I can't |
Look at the man standing at the school gate． Is he your math teacher Mr． Brown？
No． it ____ be him． He has gone to Chengdu on business．（ ）
| A． |
needn't |
B． |
can't |
C． |
may not |
D． |
mustn't |