问题补充:
— We must using plastic bags in order to protect our earth..
— Yes, we mustn’t any more.
A. give out; put up
B. give up; put off
C. give away; put away
D. give in; put on
答案:
A. give out; put up
(答案→)B. give up; put off
C. give away; put away
D. give in; put on
解析:give out分发,公布;give up放弃,交出;give away放弃,泄露;give in屈服,让步;put up提供,建造;put off推迟,阻止;put away放好,储存;put on穿上,上演。句意:为了保护我们的地球,我们必须放弃使用塑料袋。——是的,我们再也不能拖延了。结合语境可知选B。