(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石家庄17中二模)I'm a little thirsty. ________ I have a cup of water?
A.Will B.Should C.Could D.Must
(2019邢台市桥西区二模)Although he is only 6 years old, he ________ help his mother do some housework.
A.may B.must C.should D.can
(2019保定市莲池区二模)She ________ be slow, but at least she doesn't make stupid mistakes.
A.needn't B.may C.can't D.shall
(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保定市定兴县一模)You ________ hand in the report tonight. But you must do it tomorrow morning.
A.needn't B.mustn't C.can't D.shouldn't