单项选择题Those who let children who are _____ go swimming in the river are foolish.
单项选择题No matter _____ happened , he would not say a word.
单项选择题No sooner ( ) to bed than he heard a knock at the door.
单项选择题Look, a group of are playing football.
单项选择题There are about ()workers in our factory.
单项选择题They have to do the job ( ) .
单项选择题I think they will go to town tomorrow, ( )?
单项选择题If I had remembered ( ) the door, the things would not have been stolen.
单项选择题The young man who came to your rescue in the accident was _____ my friend.
单项选择题It is important to boost the morale of the soldiers as low morale can render an army .