题目内容：
根据句意和提示完成句子。
1.He wants to go abroad (出国), so he ______ his best to study English better.
2.You should try _ to copy homework, it is______ for your study.
3.My mother is ill.I ______ (不得不照顾) her.
4.I'm a high school student.I'm in Class 7, ______8.
5.He is the best student.He always gets a g______of 100 in most subjects.
6.Lily and Lucy are twins.Lily's lifestyle is ______ Lucy's.
正确答案：
1. tries
2. not, bad
3.haveto look after
4. Grade
5. grade
6. the same as
考点核心：
根据最新人教版版和牛津版的初中英语教材的词汇量，一个水平较高的初中毕业生的词汇量应在2400左右。初中的单词和词组词汇量要求数量会不断增长。
