学习目标:1.巩固本单元所学动词-ing的用法。 2.用本单元所学的重点短语完成句子。 一.用ing形式改写下列句子 1.the man who is speaking to the teacher is his father. →the man ____________ the teacher is his father. 2.while he was waiting for the bus, he read a copy of china daily. →________________________, he read a copy of china daily. 3.her mother died in 1990, and left her with her younger brother.