The house is not for us to live in.
| A．small enough | B．enough small | C．big enough | D．enough big |
-So hot in the classroom. Would you mind __the windows?
--OK. I’ll do it right now.
A. to close B. to open C. opening
Dashan Chinese since he came to China. He speaks good Chinese now.
A. learned B. has learned C. learns
China__ send people into space before, but now we can..
A. can’t B. couldn’t C. may not
--Shigu Park is beautiful! --Yeah, there __ many visitors every year.
A. is B. are C. has
Mount Heng is a place of interest with different kinds of __.
A. tree B. plants C. animal