The students were all standing by the swimming pool, _______ swimming suit.
______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.