To save energy，we should_________the electricity when we don't use it．
I agree，you are really a greenerperson．（ ）
A．shut upB．shut offC．take awayD．take off
Who do you think was student in our school talent show this year？（ ）
| A． |
popular |
B． |
more popular |
| C． |
most popular |
D． |
the most popular |
We can enjoy the books in the reading room， we can't take them out．（ ）
| A． |
and |
B． |
but |
C． |
or |
D． |
so |
﹣Do American students have a lot of to do？
﹣They don't， I think．（ ）
| A． |
test |
B． |
survey |
C． |
homework |
D． |
project |
My son lives a little far from his office， so he always goes go work bus．（ ）
| A． |
on |
B． |
by |
C． |
with |
D． |
in |
I have difficulty working out the problem by myself．Could you help me？
_____________．（ ）
| A． |
It's my pleasure |
| B． |
With pleasure |
| C． |
No，l couldn't |