— What do you think the teachers in your school are like?
— I think they are very kind, _____ they look serious.
A.though | B.or | C.because | D.and |
Our teacher wants us ______ at school on Mondays.
A.stay | B.to stay | C.staying | D.stayed |
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 |