使用合适的情态动词或其否定式填空
canltakethebookoutofthereadingroom,madam?—l'msorry,you().excuseme,()youtellmewherelcangetsomestamps?lthinkweshouldtakeraincoatswithus,lt()rain.whoseChinesebookisit?----lt()beJohn's.heislearningChinese,butl'mnotsure.musttheydotheworknow?----no,they(),theycandoittomorrow.
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