1 . He didn’t know the fact that the air is difficult to b________ (呼吸) at high altitudes. (根据中英文提示单词拼写)

2 . You promised to __________ (运送) the goods to us, but we haven’t seen any of them yet. (根据汉语提示单词拼写)

4 . As we all know, Chinese characters are quite difficult___________(memorise). (用所给词的适当形式填空)

5 . You are likely________ (pass) the exam if you study hard. (所给词的适当形式填空)

6 . The campus was so beautiful that I decided to e______ it. （根据首字母单词拼写）

7 . It is impossible for me to m__________ so many new words in such a short time.(根据首字母单词拼写)

8 . As soon as we arrived on the island, we were eager to e________ in the woods. (根据首字母单词拼写)

9 . It is my honor to be here to ______ ______ you my opinion on what to learn in senior high school.(分享)(根据汉语提示完成句子)

10 . I made up my mind to ______ ______ a scholarship.(申请)(根据汉语提示完成句子)