(2019石家庄43中三模)The boy________be Jason.He is now in London.
A.can't B.mustn't C.needn't D.may not
(2019邢台3中三模)Look! Little Jim is swimming so fast. I ________ believe my eyes.
A.shouldn't B.can't C.mustn't D.needn't
(2019株洲改编)Every one of us ________ always breathe the same breath and share the same future as the people.
A.might B.should C.could D.would
(2019苏州改编)Some people don't show their talents at the very beginning.Even Einstein ________ read until he was seven.
A.can't B.mustn't C.couldn't D.needn't
It's a rule that students ___________ bring mobile phones to our school.
A. mustn't B. wouldn't C. needn't D. couldn't
The man _______ be a doctor in this hospital, but I’m not sure.
A. must B. would C. can D. might
