---- It is demanded that the letter ___by the end of this week , dad !----I’ll do it immediately . 
#103403
A
should mail
B
was mailed
C
mailed
D
be mailed
推荐题目
My plane         at 8:30 am, so I _______ home at 8:00 tomorrow morning.
#101636
A
leaves; leave
B
leaves; am leaving
C
is leaving; am leaving
D
is leaving; leave
—Yang yan, are you coming with us? —I’d love to, but something unexpected ______.
#101324
A
was coming up
B
had come up
C
would come up
D
has come up