1. They decided to drive the cow away _____ it did more damage.
A. before B. after C. until D. while
2. He _____ a hard life, but he _____ us a lot of excellent works.
A. had led; had left B. led; has left C. had led; has left D. led; was leaving
3. Naek is good, kind, hard-working and intelligent; _____, I can’t speak too highly of him.
A. as a result B. in a word C. by the way D. on the contrary
