I think computers are very useful. They can help us get much on the Internet.

Mr. Black is our English teacher. He ______ in our school since 2011.

It was March 3 2011 _____ a magnitude 90 earthquake struck Japan and subsequent tsunamistarted the large-scale crisis[ ]

How long have you________?— It is about ten years since we________[ ]

Betty, hurry up! Your mother _______ for you at the school gate. -OK!