In this school, ______ students work very hard, ______ they are very happy.
Bob is taking the desks away because they ______ too much room.
--- Could you tell me the way ______ the railway station? --- Go along this road and soon you’ll find it.
The novel ______ by many people today.
--- Is that man Mr. Smith? --- It ______ be him. He has gone to NewYork on business.
Meimei thinks maths is ______ than Chinese.