—What language can they speak?
—_______. [ ]
A. Japan
B. Japanese
C. China
D. a Chinese
答案:B
The students can clean the room by ________.
[ ]
A. herself
B. himself
C. ourselves
D. themselves
就业人口分为()。
A.在职就业人口
B.适龄就业人口
C.未成年劳动者
D.未成年就业人口