People in developed countries are supposed ____ more healthy food before than w
题型:不详难度:来源:
People in developed countries are supposed ____ more healthy food before than what they have today.A.to be had | B.to have | C.had | D.to have had |
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答案
D |
解析
考查非谓语动词。句意:发达国家的人们以前应该享有便现在更健康的食品。不定式表示具体的动作,如果动作发生在谓语动词之前,则要用完成时态的不定式,故选D。 |
举一反三
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