Mary's score on the test is the highest in her class; she _____ have studied very hard.答案是MUST 但是may也可以吧,表示可能性不高

Mary's score on the test is the highest in her class; she _____ have studied very hard.答案是MUST 但是may也可以吧,表示可能性不高 请教一道英语题(英语不错的进）Mary's score on the test is the highest in her class,she___have studied very hard.A.may B.must C.should D.ought to 1.Mary's score on the test is the highest in her class; she _____ have studied very hard.A.may B.should C.must D.ought to2.He suggested ______to tomorrow's exhibition together.A.us to go B.we went C.We shall go D.we go3.Only by shouting at the top of _____school bags are on the desk .A.Mary and Tom's B.Mary's and Tom's C.Mary's and Tom Mary's backpack is on the sofa.(就on the sofa 提问) The book on the sofa is Mary's 提问The book （on the sofa） is Mary's 对括号内的内容提问!怎么提问呢! what's the score?it's one all Tom’s score on the test is the highest in the class; he ___ last nighta、should studyb、should have studiedc、must have studiedd、must have to study Mary won the first prize on yesterday‘s music competition.改错. Mary's performance on the test was below a .填什么 Mary's studying () the math exam.A on B in C at D for Mary sits on the Jim's right.中哪个单词有错误 【如题】Mary was tired________ half an hour's walk on the beach.用【【介词】】填空 Mary's cat is (on the wall) 对括号内提问 The doctor told Mary's mother that Mary should _____ at once.A)operate on B)be operated C)be operated on D)operate the score of‘ Sun Lei got the best score and his name is on the ___(布告栏).翻译 Britain is the only country to compete with the US on this score.翻译