—______that your computer?—Yes, it is. 
#39316
A
Does
B
Is
C
Are
D
Do
推荐题目
—Shall we meet at the station at 8 a.m.?—In fact, we __________. The train ________ until 10 a.m.
#39544
A
mustn’t, doesn’t leave
B
mustn’t, leaves
C
needn’t, won’t leave
D
needn’t, will leave
Do you know what__________ before you __________?
#38432
A
was happened; came
B
is happening; come
C
had happened; came
D
happened; had come
Please don't stand up in class until you          .
#39211
A
were told to
B
are told to
C
were told
D
are told