1.The end of the story sounds s_____.
2.There are some d____between these two countries.
3.A man from America reached the top of the mount s____.
4.Don't w____about your friends.
參考答案:1.The end of the story sounds （sad.） (sound系动词+形容词）
2.There are some （difference）between these two countries.
3.A man from America reached the top of the mount (secretely秘密地/偷偷地.)
4.Don't (worry)about your friends.