A lot of old people are lonely． What can we do to help them？
I want ______ the old people's home to talk to them．（ ）
A．visitB．to visitC．visiting
Please read the before you take the medicine．（ ）
| A． |
introduction |
| B． |
explanation |
| C． |
instruction |
I think the environment is terrible these years．
Yes， it will be even worse the government takes action it．（ ）
| A． |
until； protect |
| B． |
unless； to protect |
| C． |
if； protecting |
This year is the 49th Earth Day and I think we should people not to too many trees．（ ）
| A． |
call on； cut down |
| B． |
call at； cut up |
| C． |
call in； cut off |
You throw it away． It can ．（ ）
| A． |
needn't； recycle |
| B． |
needn't； be recycled |
| C． |
don' t need； be recycled |
We are about the news that Beijing will hold the Winter Olympics in 2022．（ ）
| A． |
excited； exciting |
| B． |
exciting； excited |
| C． |
excited； excite |