Don’t ______ personal information such as your name， telephone number and address until you feel comfortable.

, but he insisted that he _____ toschool

Researchers are now conducting hibernation experiment and can use chemicals to put living cells into sleep-like state_____ they don’t age.

The computer centre, _______ last year, is very popular among the students in this school [ ]

Nobody ___ him, when it comes to swimming. [ ]