牛津译林版九年级英语下册《Life on Mars》PPT习题课件(第3课时),共12页。
基础知识回顾
Ⅰ.用方框中所给短语的适当形式填空
in the form of,large numbers of,over again,at the speed of,compare with
1.Well,shall we start the whole thing over again ?
2.This kind of spacecraft can travel at the speed of the ligh