Necessary action ________ be taken to protect the environment so that we can have a better world.
A.can B.must C.may D.would
It's a rainy day today. ________ you please bring the raincoat for me?
A.Must B.Could C.Need D.Can
(2018张家口桥东区一模) Sorry, I can't go shopping with you. I ________ take care of my little sister.
A.can B.may C.should D.have to
(2018湘潭改编) Did you see the sign "No Swimming"? You ________ swim in this river.
A.needn't B.mustn't C.won't D.mightn't
(2018宜昌改编) I've signed for a big box by Future Express (快递). It ________ be a present from my brother.
A.might B.must C.should D.will
(2018黔东南) You ________ write the report again because spelling mistakes are not allowed at all.
A.may B.can C.must D.could
