Many people books the rooms before hand but some didn`t_____.A.check B.check in C.check out D.check at
问题描述：
Many people books the rooms before hand but some didn`t_____.
A.check B.check in C.check out D.check at
答
B
这句话的意思是很多人会预先订好房间,但是其中有一部分人订好后却没有去住.
答
do
答
B
答
soon
答
B check in 投宿（旅社）