A new study of HIV-infected people in Haiti indicates that starｔing treatment early could save many patients who might _______ die of AIDS.

Progress so far has been very good．We are,    __, confident that the work will be completed as expected．

—Will you accept his proposal?—Me?____．He is the last man in the world I want to marry．

Though there was a heavy rain and terrible thunderstorm, the children slept  _____all night.

You cannot be ____ careful when you drive a car.