It was not until early this morning _______ my father came back from work, which surprised us. 
#81456
A
when
B
where
C
that
D
who
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Only when I left my parents for Italy     how much I loved them.
#83792
A
I realized
B
I had realized
C
had I realized
D
did I realize
Mary enjoys home-made food, so she seldom, ________, eats out.
#81278
A
if never
B
if any
C
if not
D
if ever
Only when I got here _________ that I had made a big mistake.
#82970
A
did I realize
B
I realized
C
I have realized
D
have I realized
 Never ______ such a good boss before I came to this company.
#84565
A
do I meet
B
I met
C
had I met
D
I had met
The door opened and in_______.
#79987
A
he came
B
came he
C
did he come
D
he come