1 . Rachel likes collecting s________ very much and she got most of them from her parents’ letters. (根据首字母单词拼写)

2 . I passed the exam of history but f________ the exam of physics. (根据首字母单词拼写)

3 . He is too busy, so he s________ goes to the movies. (根据首字母单词拼写)

4 . I waved and said hello to him, but he just i_______ me and walked away. (根据首字母单词拼写)

5 . If you continue to do i____________ things, you will end up in prison sooner or later. (根据首字母单词拼写)

6 . The more you practice, the more f____________ you will become with the topic. (根据首字母单词拼写)

7 . Online shopping is so c____________; you can buy things with just a few clicks. (根据首字母单词拼写)

8 . We must protect e_____________ creatures from extinction. (根据首字母单词拼写)

9 . Using bicycles c___________ gently to people`s physical fitness as well as easing traffic. (根据首字母单词拼写)

10 . Famous actors should set good e___________ for others. (根据首字母单词拼写)