_____of the warm water _____already been used up.
Can you see sun at night?
—Sorry, sir. I made a mistake again.—________. Practise more and you’ll do better.
—Did you notice him come in?—No. I ________ a football game.
They are ________ little kids ________ they should be looked after well.
________ useful advice it is! It’s very valuable to me.