1 . It was not until we suffered a lot from the loss of a balanced environment _______ we realized the importance of protecting wildlife. (用适当的词填空)

2 . Rather than go home, he always prefers to w________(徘徊) on the street when his parents quarrel. (根据中英文提示单词拼写)

3 . 这次野营不仅使我们接近了大自然，而且还增进了同学之间的友谊。(汉译英)

4 . 疲劳的时候，没有什么比好好休息一下更好的了。(汉译英)

5 . It’s typical ________ her to forget names.(用适当的词填空)

6 . We were about to go out for a walk________it began to rain. (用适当的词填空)

7 . This is the first time that we ___________(exchange) our views on these problems and I hope this is not the last. (所给词的适当形式填空)

8 . ________(judge) from the happy smiles on the faces of students, they enjoyed the lecture given by the teacher.(所给词的适当形式填空)

9 . The other day, ________ occurred to Johnson that he should make a road trip to help the needy. (用适当的词填空)