单项选择题

Usually______ are not very careful in doing exercises.

A．boy students
B．boys students
C．boy's students
<上一题 目录 下一题>
热门 试题

单项选择题
______mice are often found in______ dirty houses.
A．The, the
B．The, /
C．/, /
单项选择题
I like red flowers, but my sister likes white______.
A．flower
B．one
C．ones
相关试题