—____ does Jane exercise?—Four times a week.
#60119
A
How soon
B
What time
C
How long
D
How often
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— I telephoned him twice and I couldn’t get through to him. —The line might have been out of order, _______?
#64828
A
don’t you
B
wasn’t it
C
do you
D
hadn’t it
It's the first time that he has been to Australia，________？
#64492
A
isn't he
B
hasn't he
C
isn't it
D
hasn't it
— I don’t think he is studying English in his room now.— Oh! ________?
#65409
A
Does he
B
Doesn’t he
C
Is he
D
Isn’t he