Grammer

Tense

1. I hope you__1__(have) a good time at your friend's.
2. He _2__(live) in Sha tin for many years when the event took place.
3. Who__3___(use) my safety-razor? The blade is quite blunt.
4. What ___4___(I, do) with this old coat of yours?
5. he__5___(fail) if he worked carelessly, of course.

Prepositions
1. I've got a stain___1__my jacket. I'll have to have it cleaned
2. Boston is__2__the east coast of the United States