— ______people travel every year?
— Perhaps when we are talking about it. More than 100 planes have taken off around the world.
A.How many | B.How much | C.How long | D.How often |
Mary___________ computer science last year.
A.studies | B.studied | C.will study | D.studying |
In ten years, John __________ an astronaut.
A.will be | B.is | C.was | D.be |
According to the latest reports on TV and in the newspaper, food safety is becoming a ____________ serious worldwide problem.
A.more and more | B.little by little | C.now and then | D.one by one |
Drugs can do great harm (危害) not only to you but also to your family. You must be _________them.
A.along with | B.out of | C.in front of | D.away from |
—You’re supposed to hand in the travel diary as soon as possible.
—I see. I’m going to _________until 11:30 pm once more.
A.cheer up | B.put up | C.turn up | D.stay up |