China's first Mars rover,Zhurong,touched down on the Red Planet _______ May 15,2021.( )
on
in
at
to
Could you tell me some information about the hotels in your city?
Why not ______ on the Internet?( )
A.look for itB.to look for it
C.look it upD.to look it up
Did John get Number 1 in the math exam?
Yes,no one did so______ as him.( )
A.goodB.wellC.betterD.best
I remember there _____ a lot of fish in Yanglan Lake.Now it has been polluted.
What a pity!I think we should play a role in protecting the environment.( )
A.are used to haveB.are used to be
C.used to haveD.used to be
The game is too hard for me. I will certainly lose.
_______You should never say no before you try.( )
A.Forget it!B.Come on!
C.Don't mention it.D.I'm sorry.
Could you please tell me____________?
Tomorrow mormning.( )
A.when he calls me back
B.when does he call me back
C.when he will call me back
D.when will he call me back