Nothing he did was helpful to solve this problem, _______?
#64891
A
didn’t he
B
was it
C
wasn’t it
D
did he
推荐题目
I'm sure you'd rather she went to school by bus， ？
#64618
A
hadn't you
B
wouldn't you
C
aren't I
D
didn't she
I heard that some patients who had undergone laser eye surgery experienced sudden losses of vision, ______?
#64796
A
didn’t I
B
hadn’t they
C
didn’t they
D
isn’t it