离开房间时记得关灯.
Remember to the lights when you leave the room.
丝绸摸上去比棉感觉更舒服.
cotton.
避免犯同样的错误是多么有必要啊!
!
你们学校多久升一次国旗?
in your school?
你介意解释一下你为什么不想和Sandy保持联系吗?
Would you mind Sandy?
王老师对我们的发明如此满意,以致于多次表扬了我们.
Mr Wang was so many times.