(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
(2019兰州改编)The magazine ________ be Lucy's. We can see her name on the cover.
A.mustn't B.can't C.must D.needn't
(2019天津改编)You mustn't walk on the wet hill path because you ________ fall and hurt yourself.
A.need B.might C.can D.must