易错题—Robert, could you wash the car for me?
—Yes, I __________. I'm coming, dad.
A.could B.couldn't C.can D.can't
易错题—I don't care what people think.
—Well, you ________. You're not alone in this world.
A.can B.may C.should D.will
(2020原创)If I didn't give up, the test ________ have succeeded now.
A.could B.shall C.must D.need
(2020原创)The man ________ be so tired because he has walked in the desert for almost three hours.
A.can B.must C.need D.would
(2020原创)Students under the age of 16 ________ ride electric bicycles in this school.
A.may not B.can't C.needn't D.shouldn't
(2020原创)When you cross the street, you ________ obey the traffic rules.
A.can B.need C.must D.might
