Most scientists seem to agree that ________ certain limit should be set on________ consumption(消费) of cars to ease air pollution.
Little Tommy was reluctant to tell the schoolmaster _____ he had done the day before.
–You’re always working. Come on, let’s go shopping. --________ you ever want to do is going shopping.
Information has been put forward ________ more middle school graduates will be admitted into universities.
Perseverance is a kind of quality and that’s ________ it takes to do anything well.
________ be sent to work there?