新概念英语2答案第49到73课的

LessonLessonLessonLesson49494949
1．关键句型练习答案 Ato buy(1.2);which(1.3); Because(11.3-4);but(1.5);and(1.7); until(1.8);
Although(1.8);
When(1.9);that(1.10);and(1.10);After(1.11)
2．多项选择题答案
1 d 2a 3b 4a 5b 6c
7 c 8 a 9c 10c 11a 12a