l'm sorry,l really don't know_______ in the meetingA.to say whatB.how to sayC.what to sayD.to say how

l'm sorry,l really don't know_______ in the meetingA.to say whatB.how to sayC.what to sayD.to say how
l'm sorry,l really don't know_______ in the meeting
A.to say what
B.how to say
C.what to say
D.to say how

l'm sorry,l really don't know_______ in the meetingA.to say whatB.how to sayC.what to sayD.to say how
C
know后边加宾语从句,what做宾语从句的主语

选A。

c

C