A. the teachers' rooms B. the teacher's rooms C. the teacher's room
A. ideas B. pictures C. information
A. a few minute B. a few minutes' C. a few minute's
A. pair of shoes B. pairs of shoe C. pairs of shoes
A. older, city B. the older, city C. the oldest, cities
A. little room B. no rooms C. not any rooms
A. boxes B. water C. child
A. three piece of bread B. three pieces of bread C. three piece of breads
A. 10 meters long B. 25 meters wide C. 30 meters high
A. brother B. sisters C. sister's
微信支付 
支付宝支付