根据下列句子及所给汉语注释,写出空缺处各单词的正确形式,每空只写一词。 |
1. No one helped Jack. He worked out the math problem by ________ (他). 2. ________ (浪费) time means killing yourself. 3. I didn't _________ (认识到) that I was wrong until he told me. 4. We can _________ (容易) become unhappy unless we deal with our problems. 5. We'll have a football match on _______ (星期五) afternoon. |