— I’m new here.---Take a map with you. You’ll find it of great _____ in helping you to find the way.
There are some in the basket.A. rice B. tea C. eggs
— Could you tell us ______ ? —About two weeks.
The first thing ______ we should do is to tell him the news.
What way can you think of ______ the mice in the room?
Yuan Longping, a great person in China, _____as “father of hybrid rice”