《新编英语语法教程》(第四版)答案
Ex. 1A
1. A. his home work B. quickly, to play 2. A. The huge black horse B. the race 3. A. have thought about B. going into space 4. A. warms up and crawls B. out of the bag 5. A. one of the most beautiful planets to look at through a telescope B. because of the many rings that surround it