单项选择题

The nurse is very tired, ________ she is still working very hard.

A． and
B． but
C． so
<上一题 目录 下一题>
热门 试题

单项选择题
He gave a talk ________ modern music.
A． after
B． in
C． about
单项选择题
Of all the boys in the class, Steven is________.
A． the tallest
B． the taller
C． tall
相关试题