根据句意及各题括号中所给的汉语意思，从下面的方框中选择合适的单词或词组，用其适当形式填空。

1．The disease is ________(影响)his eyesight．

2．All the front seats are ________(保留)for foreign guests．

3．Nobody ________(注意)him．

4．We should ________(运用)theory to practice．

5．The ________(野生动植物)should be treated as our human’s frienD．

6．How did the Eric canal ________(筑成的)?

7．A ________(蚊子)will do harm to your health．

8．It was a bad accident and there was much ________(损失)of life．

9．He raised his arm to ________(保护)his face ________(以防)the blow．

10．He ________(建议)going to the cinema．

11．He had a ________(胃疼)for eating some green fruits．

12．I couldn’t ________(控制)myself for joy．

13．The ________(凶猛的)mountain lion attacked a flock of sheep．

14．Leave him ________(安静), he’s trying to work．

15．Bill’s car is very ________(强劲的), and can go very fast．

16．I’ve only ________(最近)begun to learn Japanese．

17．You will be ________(危险)if you walk on a railway line．

18．We worked late into the night, and ________(结果), everyone got up late on the next morning．

19．He lived under the ________(保护)of a strong and brave chief．

20．This kind of bird is ________(灭绝)in the world．