—I telephoned him twice and I couldn’t get through to him. —The line might have been out of order,     ?
#64642
A
don’t you
B
wasn’t it
C
do you
D
hadn’t it
推荐题目
—— Do you think there will be robots in school? ——        .
#59771
A
Yes, I do.
B
No I don’t.
C
Yes, there will.
D
No, there don’t.
It’s impossible that you achieve your goal without effort, ________?
#64554
A
isn’t it
B
is it
C
don’t you
D
do you
_______her boyfriend is?
#64871
A
What do you think
B
Do you think what
C
What you think
D
What you think
---          a month do you do voluntary work ? ---Twice a month. 
#59864
A
How long
B
How many times
C
How much
D
How often