2 . I have done enough ________ (encourage) people ________ (believe) we could win the game next time. (所给词的适当形式填空)

3 . Their _______ (behave) towards me shows that they do not like me. (所给词的适当形式填空)

4 . He was ________ (埋头于) in study when the teacher came in. （根据汉语提示单词拼写）

5 . Generally speaking, sunshine is _______(benefit) to health. (所给词的适当形式填空)

6 . The ball ________ (弹回) twice before the little boy could reach it. (根据汉语提示单词拼写)

7 . A ________ (纽扣) was caught in her hair. (根据汉语提示单词拼写)

8 . Scientists say that drinking tea is b___________ to humans, because longevity(长寿) is positively connected with the habit of drinking tea. (根据首字母单词拼写)

9 . B________(专注于) in the classics, he loses track of time. （根据中英文提示单词拼写）

10 . With these measures, it ________ (believe) that the beauty of Li River will be preserved for generations to come. (所给词的适当形式填空)