We keep in touch_____ writing often. [ ]

______ have you stayed in this school ? —For three years.

A: ________ I go to the airport to see Uncle David off tomorrow morning, mum?B: No, you needn’t. You may join us if you want to.

David talked with a friend of ________ on the Internet for a long time yesterday.

Can Amy be the chairperson of the Students’ Union?- Perhaps. She thinks she can do anything if she tries her best. She is __________enough to take the job.