．Researchers from MIT, Harvard reported a study of human brains yesterday that may______ some new information for mental illnesses.

Tom was _____ to finish makingthe model in an hour, but in fact, it took two hours.

The news about the missing plane broke many people’s hearts. We hope the passengers can come back home safely.

At the moment, it is not possible for us to give you a answer to your application.

I wonder ______ he is a young teacher or a student.Could you tell me