根据句意,用所给单词的适当形式填空。
1. It’s ___________for him to come late; he is always punctual (准时). (usual)
2. It’s ___________for him to pay extra money; all the expenditures (花费) are included. (necessary)
3. The explorers in the Antarctic endured (忍受) a lot of __________. (comfort )
4. Failures will never __________a man with a strong will. (courage)
5. “Child” has an __________plural (复数). (regular)
6. You plan is too naïve (天真) and __________. (practical)
7. Some species (物种) will _________if the pollution continues. (appear)
8. It’s _________to read others’ letters without permission. (polite)
9. Fortunately the stolen papers are ___________. (important)
10. To hold back the wheels of history is __________. (possible)
11. What a _________memory she has ! (wonder)
12. Eating too much fat will be _________to your health. (harm)
13. He seems quite a _________pupil. (hope)
14. We had an _________journey to Beijing, where we had a good time. (enjoy)
15. This book is __________to him in his studies. (value)
16. I think his offer is reasonable and __________. (accept)
17. Though small, the house is __________to live in. (comfort)
18. It’s _________of him to oppose his chief. (courage)
19.—Why are the class so __________? —They are arguing on questions. (noise)
20. The old man walked on the _________road, ________and hungry. (ice, thirst)