Excuse me, is this _______ new camera?—Yes, it’s _______.

People in the west usually wear special costumes _____ masks at Halloween.[ ]

Turn right into Stream Road,and it’s the left.[ ]

Since nuclear(核) pollution broke out in Japan, in March,2011,we are all _____ of it very much.

Miss Wang, I went to your office at 11:45 yesterday morning ,but you weren’t in. — I _____with a student in the classroom at that time.