nation uses nuclear weapons will engage the whole world in war.

We should do everything we can to protect the birds ______ danger.

Did he give you advice on your work yesterday?—- Yes. But his advice, as a matter of fact, ______ my difficulty.

What’s that terrible noise over there?—The workers ______ the boxes from the back of the truck

_______ do you watch TV —Only once on Saturday evening. You know as astudent I am too busy.