She’s such a smart ___ that she can type 150 words in one minute.

After long and hard work, the police at last discovered the         of the baby found by the side of a road.

.---How long did Mary work here?---For half a year, but she didn’t leave us much ____. We hardly remember what she is like. 

Now that taking exercise will build up your       , you should try to run in the morning.

____ speaking, a person must care much about his ____, because it is not only a personal thing, but also a social one.