did,long,Beijing,stay how they,in怎么连标点是?号的句子
问题描述:
did,long,Beijing,stay how they,in怎么连
标点是?号的句子
答
how long did they stay in beijing?
did,long,Beijing,stay how they,in怎么连
标点是?号的句子
how long did they stay in beijing?