John starts work ______ 10 o’clock every day.

Important sentences are often marked ______ different colours.

An terrible earthquake happened          the Indian ocean          a spring afternoon.

As we all know, computer games with fights have bad effects _______the teens.

The Grade 9 students often have a picnic ______ Sunday afternoons.

E-mail me______  Lucy @ sina．com or call me______ 55888301．

Don’t leave the TV_______ when you are__________。

My father is a doctor．He works _________．   

Please contact Sandy ______ 65408888 for ______ information.

- How does your project help poor children in that Hope Primary School, Mr Lee?
- We help them _______sending them teachers and books.