Ⅰ. 单句语法填空
1. Could you tell me your flight information, your departure (depart) time or your arrival time?
2. The online shopping has exploded (explode)in recent years.
3. Human behavior did break the ecological (ecology)balance in some areas.
4. He was being mysterious (mystery) about where he was going.
5. Owing(owe) to the small size of this breed, they can be conveniently kept in small homes.
6. Trapped (trap) in traffic jams, she had no choice but to wait.
7. Apparently(apparent), the girls are not at all amused by the whole business.
8. They exchanged greetings (greet) and sat down to lunch.
9. The society was set up to preserve endangered (endanger) species from extinction.
10. A variation (vary) of a gene can influence people’s social behavior.
