—Isn’t Ann’s husband over there? —No, it _____ be him — I’m sure he doesn’t wear glasses.

It is impossible to please everyone. We can only do our best.

-- Mum，can I go on a holiday with my classmates this summer vacation?-- OK．You __________ have a chance if you get along well with your studies．

--- The task is challenging and demanding. Who do you think can make it? --- _______ my partner have a try? I think she is the right person to do it.

Facts prove that the world’s economic development is not a win-lose game but one in which all _____ be winners.