—Would you like me to help you with the maths problem?—___________ It’s a most difficult one.
is obviously right is to give all children equal opportunities to develop their special gift.
The old church ___________the first century A.D. is well preserved. A. dates back to B. dated back to C. dating back to D. to date back to
The science of computer, rapid progress has been made in recent years,plays a very important role in our daily life.
— How long do you suppose it is ______ he arrived here? — No more than half a week.
The Foreign Secretary's remarks clarify an _____________ statement issued earlier this week.