根据句意，用括号中所给单词的正确形式填空，每空一词。
小题1:Many fans felt sad because of the (lose) of the famous Korean actor.
小题2:Lucy often plays tennis to relax (she) after school.
小题3:Thanks to these (science) work, our dream has become true.
小题4:The patient has difficulty (run) on his own feet.
小题5:We tried to stop the fights, but we knew it was (hope).