My computer has caught a virus and it has gone wrong.
______________________( )
A.I'm sorry to hear that.
B.Don't mention it.
C.It doesn't matter.
D.I'm sure it can work.
I found ________difficult for me to finish the work on time.( )
A.thatB.itC.this
You can surf the Internet _________ you want to know more about the 2020 World Middle School Games.( )
A.ifB.althoughC.until
_________beautiful city!
Yes. Tourists from all over the world come to visit it every year.( )
A.HowB.WhatC.What a
Must we clean the classroom at once?
No, you ________. You may clean it after school.( )
A.mustn'tB.needn'tC.can't
When are we going to see the movie Zoo Topia, this afternoon or tonight?
________ is OK. I'm free today.( )
A.EitherB.BothC.Neither