1、Both his parents look sad .Maybe they _________what's happened to him .(呼和浩特)A.knew B.have known C.must know D.will know 选哪一个?

来源:学生作业帮助网 编辑:作业帮 时间:2024/07/14 07:18:33
1、Both his parents look sad .Maybe they _________what's happened to him .(呼和浩特)A.knew B.have known C.must know D.will know 选哪一个?
x͐j@_evHRmD D$]l%UkR "Uxy%Y ] 09?D?\TD &TAT$P8|6&M"@E8d6p,?VZ:IIAK T-(9nc gt2E 6/D-/8?Cr_3w}so! Z?mҌU)#n׈%ƒ6kcB\Z6hQ@%(saU^ {{C^oH lϽMAepލmZi6@J\mZ~B&=ұ{{ nzk c燾9-϶Qz

1、Both his parents look sad .Maybe they _________what's happened to him .(呼和浩特)A.knew B.have known C.must know D.will know 选哪一个?
1、Both his parents look sad .Maybe they _________what's happened to him .(呼和浩特)
A.knew B.have known C.must know D.will know 选哪一个?

1、Both his parents look sad .Maybe they _________what's happened to him .(呼和浩特)A.knew B.have known C.must know D.will know 选哪一个?
B
其他代进去都不通丫...
他的父母看上去都很伤心,好像已经知道他发生了什么事

B
可能已经知道

B,表示对过去某事的肯定猜测用must have done.这里没有此选项,所以B比较准.其它全部错误.