I’m going to learn the piano when I retire.—That sounds_____ a good idea.[ ]

I’m not a little tired today after giving the room a thorough cleaning and I have never had_________today.

______ people have become masters of their country ____ science can really serve the people.

_____ there some milk in the bridge?- No. There ______ only two bottles of orange juice.

There are many people downstairs. What do you think _____?