高一英语必修一第一课课后习题答案，标题是friendship

一.1.outdoors 2.upset 3.be concerned about 4.loose 5.go through 6.ignore 7.face to face 8.calm down 9.curtain 10.a series of 二.upset go through calm down concerned about outoors loosely face to face 三. in order to dusty set down at dust add up entirely curtains on purpose

P4页答案第二题upset,go.though,calm.down,concerned.about,outdoors,coose,face.to.face

1.got tired of 2.got along with 3.got into 4.got back 5.got off
6.got back 7.got usedto 8.get into
是42页第2题

1. c a b d