词语运用。（共5小题，每小题1分，计5
根据下列句子的意思及所给的汉语提示，写出空缺处单词、固定短语或固定搭配的正确形式。
1.Basketball          (发明) by a Canadian doctor, Jatnes Naismith.
2.Some students     (抱怨) that they have too much homework.
3.What made you so      (生气)?
4. Look! The sick man is very tired, but he is still       _(练习走) without any help.
5. By the time I arrived there, the film had       (开始)for about five minutes.