1 . 他的呼吸在变快。(汉译英)

2 . He was ________ (呼吸) through his open mouth. (根据汉语提示单词拼写)

3 . When you are panicked or frightened, you may have difficulty b______________(呼吸). (根据中英文提示单词拼写)

4 . They placed the child in an oxygen tent when he had difficulty in ________(breathe)．(所给词的适当形式填空)

5 . The patient was observed ________ (breathe) bitterly and was rushed to the hospital. （所给词的适当形式填空）

6 . He stood over there,  b__________ (呼吸) deeply. （根据中英文提示单词拼写）

7 . Most people don’t realize that they are ________ (呼吸) polluted air. (根据汉语提示单词拼写）

8 . He was so fat that he was out of __________ after running only five minutes．He was __________ through his open mouth．（breathe）

9 . B_______deeply in the forest is extremely good for your health. （根据首字母单词拼写）