—What's this in English?
—It's _____ eraser. [ ]
A. a
B. an
C. the
D. /
答案：B
— Oh no! We’re too late. The train _______.
— That’s Ok. We’ll catch the next train to London.
A．was leaving
B．had left
C．has left
D．has been leaving
物业管理中涉及的险种不包括( )。
A．财产保险
B．雇主责任保险
C．人身保险
D．公众责任险
