Unit4 Big businesses-grammar同步测试
1. _______ more attention, the tree could have grown better. (90’全国)
A. Given B. To give C. Giving D. Having given.
2. The computer center, ________ last year, is very popular among the students in this school(93’全国)
A. open B. opening C. having opened D. opened
3. The first textbooks ________ for teaching English as a foreign language came out in the 16th century.(94’全国)
A. having written B. to be written C. being written D. written
4. ________ is thought, he almost ran into the car in front of him.(96’全国)
A. Losing B. Having lost C. Lost D. To lose
