Unit 13 We are trying to save the earth!
Section B (2c—Self Check)
Ⅰ. 根据句意，用括号内所给单词的适当形式填空。
1. T he white ________(build) was set up three years ago.
2. Greg was a(n) ________(luck) boy. Many people off ered him help.
3. Jenny thinks the ________(perform) was really exciting.21cnjy.com
4. How could she have acted ________(different)?
5. Staying with them made me ________(comfortable). I decided to leave.
