Theynevertoldusanythingabouttheirplan，sowedidn’tknowwhy...

问题详情：

They never told us anything about their plan，so we didn’t know why________．

A．they go there        B．do they help you

C．they bought the bike  D．did they live there

【回答】

C

知识点：宾语从句

题型：选择题