—How are you, Jack?—_____, I'm rather sick.
A.In additionB.As a matter of factC.On the other hand D.On the contrary
______leaves the room last ought to turn off the lights.
Sarah hopes to become a friend of ______shares her interests.
---- I drove to Zhuhai for the air show last week. ---- Is that ______ you had a few days off ?
I still remember ______ this used to be a quiet village.
It is widely ______that smoking can cause cancer.