题干
.
---__________ that he managed to get the information?
---Oh, a friend of his helped him.
---__________ that he managed to get the information?
---Oh, a friend of his helped him.
A：Where was it
B：What was it
C：How was it
D：Why was it
答案(点此获取答案解析）
C
一班跟二班一共回收了多少节废电池？