It is duty to protect the environment.( )
we
us
ours
our
What are you doing these days?
I am preparing for the school art festival. It next week.( )
will hold
will be held
held
was held
You run across the road. It's dangerous.
OK,Mom.( )
must
mustn't
need
needn't
Do you like pandas or koalas?
Well,I like both of them. I think pandas are koalas.( )
more lovely than
less lovely than
as lovely as
not so lovely as
We lost the game. What should we do now?
Come on. We should continue to and try to win the next game.( )
take off
look up
pull together
put off
Li Mei Liu Hua is good at speaking English,so they can't communicate with foreign students well.
It doesn't matter. I think they will do their best to improve their English.( )
Not only; but also
Either; or
Both; and
Neither; nor