( )I want to buy ________ shoes.
A. aB. a pair ofC. a pairs of
( )In China, drivers drive on the ______ side of the road.
A. rightB. leftC. middle
( ) The traffic lights are the ________ in every country.
A. sameB. differentC. difference
( ) ---Which floor?
---The ________ floor, Room 5A.
A. fiveB. fifthC. fiveth
选词填空。
（1）The traffic lights are the ________ in every country.
（2）_________ the No.12 bus.
（3）He helps the bank use their money __________.
（4）He _________ many other little water drops.
（5）She often helps _________ find their way.