Can you ____ it in English?
Mary___________ computer science last year.
In ten years, John __________ an astronaut.
According to the latest reports on TV and in the newspaper, food safety is becoming a ____________ serious worldwide problem.
Drugs can do great harm (危害) not only to you but also to your family. You must be _________them.
—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.