—The trip shouldn't take more than an hour.—________.It is at least two hours.
Last Friday, Mr. Smith gave us an _______ speech and we were all ______.
—Are you worried about the coming exam? —Only ______.
Word came ______ our school will build a new teaching building next year.
A poet and artist _____ coming to speak to us about Chinese literature and painting tomorrow afternoon.
We must try our best to the river being polluted any more.