Why isn’t John in class?He ___ be sick.Or he’d have been here already..a、shouldb、mayc、mustd、would

Why isn’t John in class?He ___ be sick.Or he’d have been here already..a、shouldb、mayc、mustd、would [缩写]john is not boy.[用's还是isn't]?why? John isn't in the classroom,he ()play soccer on the playground.A.canB.must why isn't there any Nobel-prize winner in ChinaChinese students are the most deligentin the world,why isn't there any Nobel-prizewinner in China? Do you know why he isn't in?同义句Do you know why he isn’t＿＿ ＿＿? Jack't isn't so tall a_____ his brother John John isn’t in.He (go) shopping.I will tell him your phone call as soon as he (return). John isn’t in.He (go) shopping.I will tell him your phone call as soon as he (return). John ( ) be in the classroom because I saw him in the library just now.A.mustn't B.isn't able to C.can't D.may not Why isn't Tim happy with the parrot . why isn't their water good to drink? Why is John's little brother ill in bed? -Will you be able to finish your report today?-( ).A.mustn't heB.needn't heC.isn't heD.shouldn't he求原因.应该是John must be in the chemistry lab,( Do you know why she ___ at home yesterday?选项A.wasn't B.isn't C.not D.not in John doesn't know very much ang isn't very intelligent是什么意思? why are you so worried?It isn't your problem( ).A.once again B.in all C.in time D.after all there isn't any lemonade in the he isn’t in.he is