单项选择题
Jerry seldom came to the laboratory,（）he
A．did
B．didn't
C．does
D．doesn't
点击查看答案&解析
相关考题
-
单项选择题
Either you or Lin Ming（）supposed to do the job.
A．are
B．be
C．being
D．is -
单项选择题
I have not gone to see the doctor for a long time, but today（）
A．I'm going to
B．I'm going to see
C．I'm going
D．I go
