1)If we start at nine, we'll have a plenty of time for the shops. We'll be free till half past four.
2)They always tell him everything. So I think, he knows about it already.
3)This carpet costs 30 dollars. ...
4)He is still trying to find a job, but there is not much work ?avaidle?(available) at present.
5)Believe me, I think of you all the time.