梅子姐姐:您好!自从进入初中以来,我发现自己的成绩下降了许多。为了提高成绩,我做过很多努力。每天晚上,我都比其他同学晚睡,偷偷地在被窝里做习题、看书。我的一些朋友周末会出去聚会去玩,而我则常常选择留在家中,让家教老师帮我补 Plum sister: Hello! Since entering junior high school, I found that my grades have dropped a lot. In order to improve my grades, I have done a lot of hard work. Every night, I sleep better than other students, secretly doing exercises in bed, reading. Some of my friends go out to party on weekends, and I often choose to stay at home so tutor can help me to make up