Unit 4 Section A 1aImportant phraseshave to do sth.get enough sleep“ 不得不做……;不得已做……”;have to study too much“ 得到充足睡眠”。“ 有自由时间做……” 。have free time to do sth.allow sb. to do sth. “ 允许某人做……” 。hang out with sb.“ 和某人一起出去玩;和某人一起出去闲逛”。after-school classes“ 课外课;补习班” 。get into a fight with sb.“ 陷入了和朋友吵架的苦恼”。