Is the man over there Adam?
It ____ be him. He has gone to Hong Kong on vacation. ( )
A.mustB.can'tC.mustn't
The earth is the only home for us, so Green Hill and Clean Water is the true .( )
community
discovery
relation
treasure
What's your opinion about friends?
They are like books. We don't need a lot of them they're good.( )
as long as
as soon as
so that
as if
Have you seen the movie Amazing China?
Yes.It's exciting documentary.( )
a
the
an
/
Imagine you're Yu Gong, what could you do moving the mountains?( )
in the middle of
instead of
across from
up to
Look! This must be a girl's room.
. It's so clean and tidy!( )
I guess so
Never mind
It doesn't matter
Just so-so