I have two sisters. One is a doctor, _______ is a teacher.
—We all went to the cinema except you last night.Why didn’t you come?—Because I________that movie twice.
Each of the students________going to visit the Great Wall next Sunday.
You need________the trees,because the weather is too dry and the trees need________.
The shop assistant is unfriendly,so we won’t go to the shop________.
—________is the sweater?—It’s fifty yuan.