At first, they worried about the situation but things ______quite well.
A. went on B. carried on C. worked out D. tried on
Only when our country has aircraft carriers _______ our distant islands more effectively.
A. we can guard B. can we guard C. we guard D. do we guard
It is not until we know more about the situation ______ we are able to improve it.
A. that B．what C．when D．which
— I hear that Mary is ______ to stay with us for a few days. —That’s great.
A. Maybe B. possible C. likely D. probable
It was between 1830 and 1835 ______ the modern newspaper was born.
A how B that C which D because
—I’m sorry to say this, but the room here is very dirty.
—______. I will ask someone to clean it right way.
A. It’s all right B．Sorry to hear that C．Never mind D．Thank you all the same time
