There are many things in different areas ________ we can do to reduce the possible dangers of AIDS.

I’m afraid we can’t finish the task as scheduled. Can we ask the boss to have the deadline ________

Too much work and too little rest often illness.— Yes. We must learn to take good care of ourselves.

The house ________ I grew up has been taken down and replaced by an office building.

The rich shouldn’t________their wealth. Instead, they should contribute more money to the poor.