Mrs. Black doesn’t believe that her son is able to design a digital camera, ______?
#64799
A
is he
B
isn’t he
C
doesn’t she
D
does she
推荐题目
---____ do you exercise, Miss Lin? ---Once a week. 
#60244
A
How long
B
How often
C
How far
D
How soon
— __________ have you been to Taiwan?— Only once.
#60020
A
How often
B
How many times
C
How long
D
How soon
A lovely day,      ?
#65226
A
is it
B
does it
C
isn’t it
D
doesn’t it
I told them not everybody could run as fast as you did, ______?
#64689
A
could he
B
didn't I
C
didn't you
D
couldn’t they