—Why doesn’t Li Ming want to go swimming with us?—Because he is _________ getting into water.

Mr. Wu is good ____ math. He teaches _____ math well.

— Do you often play ______ tennis after school?—No, I don’t like sports. I often play______ guitar.

 — Do you come to South Korea for the ________ of seeing your family or doing business?— I come here on business.

 —Jack won the first place in the writing competition.—_______. He had prepared for it for a long time.