______ Canada is very rich in fresh water and its world--famous river is called the Mississippi.

A．She agrees with the man.
B．She doesn’t know the film.
C．She likes the film very much.
D．She doesn’t know what to do.

A．The two men are watching TV now.
B．The two men are having a friendly talk.
C．The two men are shouting at each other.
D．The two men are singing now.