My friend Li Ming is a good student. He always 1 _____(try) his best in study. Last year, he 2 _____(be) not good at math. So he decided 3 _____(work) harder. He learned by 4 _____(he) and asked teachers for help. Now, his math grade is much 5 _____(high) than before. He 6 _____(improve) a lot so far.7 _____the help of his parents, he also joined a study group. It is 8 _____useful experience. 9 _____he is busy, he never gives up. He stays positive10 _____/'ɔ:lweɪz/.
答案与解析：
1. tries（动词第三人称单数，主语He为三单，always表示一般现在时）
2. was（一般过去时，时间状语Last year）
3. to work（动词不定式，decide to do sth.）
4. himself（反身代词，by oneself = 独自）
5. higher（比较级，than前面用比较级）
6.has improved（现在完成时，has already + 过去分词）
7. With（介词with the help of = 在……帮助下，句首首字母大写）
8. a（冠词，useful以辅音音素/juː/开头，故用a）
9. Although（连词，引导让步状语从句，句首首字母大写）
10. always（根据音标/'ɔ:lweɪz/写出单词，意为“总是”）
