Han Mei , _____is Susan.

Guess,how much does it cost? —I think it costs_______15 and 20 dollars.[ ]

My mother has two brothers. One is a doctor, ____ is a lawyer.

What a beautiful dress you are wearing! It must be expensive. —No. It only ____ me fifty yuan.

The students sitting at the back can’t see the blackboard________. —Why not_________ them move a little forward?