It—be David＇s book,because his was last yesterday.A.must B.mustn＇t C.may D.can＇t说下原因,并翻译,

It—be David＇s book,because his was last yesterday.A.must B.mustn＇t C.may D.can＇t说下原因,并翻译,
It—be David＇s book,because his was last yesterday.
A.must B.mustn＇t C.may D.can＇t
说下原因,并翻译,

It—be David＇s book,because his was last yesterday.A.must B.mustn＇t C.may D.can＇t说下原因,并翻译,
D
表示否定推测
那一定不是david的书 因为他的昨天丢了
last 应该是lost
祝你学习进步,更上一层楼! (*^__^*)
不明白的再问哟,请及时采纳,多谢!