—What’s this? —It’s a pair _____ shoes.A. of B. for C. In
—Where’s Jill? —She ________ in the office. I saw her there just now.
There used to be a boarding school there, _______?
Would you please help me _____ the picture on the wall?
Not only I but also Tom and Jack _____ interested in English because it _____ useful.
The room _____ I live _____ is very large.