Excuse me, may I use your bicycle is broken.—Certainly. But remember to return it before lunch.

__________ hard work you have done!—- It’s very kind of you to say so.

Three-fourths of the surface of the earth＿＿＿sea．

Shy people get _____ when they have to speak inpublic.

$100 a month could hardly________the cost of his life in such a big city in this country.[ ]