Can you come back home ___ 9:30?A.in B.by C.to D.on
问题描述:
Can you come back home ___ 9:30?A.in B.by C.to D.on
答
B by+时间 是到……时间之前
Can you come back home ___ 9:30?A.in B.by C.to D.on
B by+时间 是到……时间之前