问题补充:
The Young Pioneers didn’t know.
A. where will they go
B. what they would do next
C. when could they go
D. how did they get there
答案:
A. where will they go
(答案→)B. what they would do next
C. when could they go
D. how did they get there
解析:考查宾语从句的语序。Know之后是宾语从句,从句要用陈述语序,而A,C,D都是疑问语序,所以选B。