Meals are very boring. He ________ has the same thing to eat every day. A. never B. usually C. sometimes
--- Could you tell us ______ ? --- About two weeks.
The first thing ______ we should do is to tell him the mews.
What way can you think of ______ the mice in the room?
Yuan Longping, a great person in China, _____as “father of hybrid rice”
______ the work is difficult, all the workers are keeping on working .