—TomcametoworklastFriday,butnoonehasseenhimsince.      ...

問題詳情:

—TomcametoworklastFriday,butnoonehasseenhimsince.      ...

—Tom came to work last Friday ,but no one has seen him since.

       —          he have had an accident ?

A.Should             B.Must                  C.Might               D.Could

【回答】

D

知識點:虛擬語氣與情態動詞

題型:選擇題