根据句意、中文提示写出单词，完成句子。(15分)

1.Can you spend some time              (解释)the project to us in detail?

2.You can ask Tom for help when you have difficulty making a         (决定)．

3.If you want your dog to be happy．You should           (匀出)at least half an hour to play with it every day．

4.Can you see any            (蝴蝶)among the flowers?

5.Our teachers are very good．They always make their classes        (活泼的)and interesting．

6.Jack is very busy．Has he          (回答)to your last e-mail?

7.Our English teacher often            (划分)us into groups of four to organize class activities．

8.—Who __________(发现)America?  —Columbus．

9.What an          (patient)boy Eric is ! He only waited for ten minutes and he was very angry．

10.Millie is always             (satisfy) with a small success．

11.It’s not good for you to stay alone sadly．You need someone to share your____(happy)．

12. Kitty doesn’t know what to do next, so she has no        (choose)but to call her friend, Lily for help．

13.I don’t think their suggestions are            (value)to us．

14.Don’t keep your worries to         (you) , Jim and Tom．

15.The project was finished          (success) on time by them．