—Two hundred of the tourists were saved from danger in Taiwan, but the rest ______ still missing. — If only the travel agency ________ more measures to prevent such accidents.
It snowed heavily for three days and they were separated from the outside world.
everyone can hear the speaker there is no of turning up the radio.
If it was not an accident, he must have done it .
Many students signed up for the race in the sports meeting to be held next week.
She is not worth .