They are still very cautious about ________ side effect the new medicine will bring about, although the experts have tried it on about 2000 patients．

College is _______ time when you can learn many new skills, including how to live and work with_______ people from different backgrounds.

_ itwith me I bet, I will do it well

The little girl is a talented pianist.- Everyone in her family is musical.__________.

Miss Tang has no _________ of time. She is often late for meetings.