The news that our school will move to a better place sounds .

How long have you _____the novel?—Three days.

Excuse me, where is Mr. Green’s office? — Sorry, I don’t know. I ___here for only a few days.

Each year __________ fishes are killed by the polluted water and many people are made sick by the polluted air .—-So we should do something to stop it .

______ a certain doubt among the people as to the practical value of the project.