初驶后保养项目共有（）项。
A.8
B.10
C.12
参考答案：B
“留存收益”是所有者权益类会计科目。( )
The number of the students _______ 1200. A number of students _______absent （缺席）yesterday.
A．are, were
B．is, were
C．is was
D．are, was
