--Is this your brother?---________.
Look! The goldfish is dying.— What a pity! This kind of goldfish a lot of care and attention.
— Have you found the poor dog yet?— Yes. But he was when we found him. The bad weather killed him.
______ fine weather it is today!
How do you study English so well?— I study ________ reading English magazines.
Li Ming is in poor health. He should pay more attention exercise.