What are the typical features of an informal style（）
A. Short sentences
B. “Things” as subject
C. Passive voice
D. Questions
查看答案
Which sentence has the most formal style（）
A. Don’t send anything off until you’re told to do so
B. Please await instructions before dispatching items
C. Please wait for instructions before sending items off
D. When they tell you to send them off, you can start to do it
Man: What do they do？Woman:_____（）
A. They are flight attendants
B. They are from Japan
C. They like music
D. They are quite busy on weekends
—My cell phone is driving me crazy! It keeps turning off and on.—______. Maybe you should have it checked, or just return it（）
A. I’m sorry to hear that
B. That’s all right
C. It depends
D. No big deal
It is politely requested by the hotel management that radios ______ after 11 o’clock at night（）
A. not to play
B. were not played
C. not be played
D. were not playing
微信支付 
支付宝支付