Itisdifficultto________theimplicationbetweenthelines.
C
A 开始,接触 C 找出,理解 D 下来,写(记)下来
Thefurnitureinherbedroomisquitedifferentfrom________inthelivingroom.
Thecentraltheatrehasaseating________ofmorethan3,000people.
Thenewdiscovery_______beofgreatservicetomankind.