---- It is demanded that the letter ___b
问题:
---- It is demanded that the letter ___by the end of this week , dad !
----I’ll do it immediately .
A.should mail
B.was mailed
C.mailed
D.be mailed
---- It is demanded that the letter ___by the end of this week , dad !
----I’ll do it immediately .
A.should mail
B.was mailed
C.mailed
D.be mailed