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.?