问题补充:
Nothing he did was helpful to solve this problem,?
A. didn’t he
B. was it
C. wasn’t it
D. did he
答案:
A. didn’t he
(答案→)B. was it
C. wasn’t it
D. did he
解析:可联系答.案.网客服索取。
时间:2020-09-03 03:39:21
Nothing he did was helpful to solve this problem,?
A. didn’t he
B. was it
C. wasn’t it
D. did he
A. didn’t he
(答案→)B. was it
C. wasn’t it
D. did he
解析:可联系答.案.网客服索取。