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

Are the keys yours?－No, they aren’t _____. I think they’re Jason’s.

Have you decided _______ the poor children?—Yes. I will help them by sending them some books and clothes.

His fahter _____in New York last Friday. But he _____here now.

The child was ____to go fishing alone because it was dangerous .