问题
选择题
Tom didn't go upstairs ____ his mom cleaned up his room.[ ]
A. until
B. from
C. in
D. after
答案
答案：A
搜题请搜索小程序“爱下问搜题”
Tom didn't go upstairs ____ his mom cleaned up his room.[ ]
A. until
B. from
C. in
D. after
答案：A