我的外套是棉的。你的呢？
My coat is ____＿　＿＿＿　cotton. ______ ______ yours?
不要一边听音乐一边做作业。
Don’t listen to music and do your homework _____ ______ ______ ______.
阳光镇的空气污染比北京其它地方更少。
There is _____ ______ ________ in Sunshine Town _____ in other areas of Beijing.
沿着这条路走，左转进入公园路。
_______ ________ the road, ______　＿＿＿＿ into Park Road.
当我有空我会打电话给你。
I’ll ______ ______ when ______ ________.