Mary is ________ the right of the bike.
A．on B．in C．at
问答搭配。
A.No. they speak English
B.It is a map of the U. S.
C. Washington，D. C.
D. Yes. It is west of the U. S.
( )（1） What is this?
()（2）Is China west of the U. S.?
()（3） What’s the capital city of the U. S.?
()（4）Do they speak Chinese in the U. S.?
选出正确答案.
( )（1）这是一张美国地图。
A.Here is a map of the United States.
B. Here is the United States.
()（2）这是美国的首都。
A.This is the capital city of the U.S.
B.This is the United States.
()（3）首都是华盛顿。
A. The city is Washington.，D. C.
B. The capital city is Washington，D. C.
() We go to the _____ by car.
A. city B. home C. Beijing
() I know _____ China.
A. in B. about C. for
( ) Look，this is a map of ______. 
A. the world B. worlds C. Canada