What is needed now in China’s West are men and women with skills any developing countries ________ have to survive and prosper. A.must B.can C.may D.ought
When he was studying in Hong Kong, he ________ on his aunt there and have dinner with her once a month. A.should call B.would call C.could call D.might call
Of three people who travel together, there ________ someone who ________ be my teacher. A.must have B.might C.must be D.can E.may be F.could G.may have H. may
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