There is so much noise in the next room.I wonder__________________.( )
A.what are they doingB.what were they doing
C.what they are doingD.what they were doing
—I don’t think sixteen-year-olds should be allowed to smoke.
— _____It’s bad for the teens’ health.
I agree.
I hope so.
I disagree.
I hope not.
I wonder_____.
that April is the hottest month in Thailand
do you know where I can buy some medicine
whether June is a good time to visit Gansu
how can I improve my pronunciation
Paper _____ in ancient China more than 2,000 years ago.
invented
was invented
invent
is invented
— Shall we have an outdoor graduation party after the exam?
—_____I think everyone will love it.
Good idea.
No way.
Enjoy yourself.
The same to you.
Linda spoke too quietly. I could_____hear her at the back.
always
ever
hardly
usually