课时作业(二十八) 选修6 unit 3 a healthy life ⅰ.单项填空 1.(2014·陕西重点中学高三联考)—be quick,please.i have to be there by 9∶00. —________,lily.but i’ll try my best. a.that’s all right b.no problem c.i can’t promise d.it’s impossible 2.(2014·潍坊五校联考)the young couple had meant to travel abroad,but they cancelled the trip due to the________budget. a.tight b.splendid