He dressed up and went to the party as if_____.   
#81771
A
was invited
B
had been invited
C
to be invited
D
invited
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Not until then ________ how important the brakes were.
#79532
A
I realized
B
do I realized
C
did I realize
D
I did realize
Some green beans, ______ long enough, can be poisonous (有毒的).
#80298
A
if not be cooked
B
if not cooked
C
if not cooking
D
if not being cooked
Misunderstandings    from lack of social communication,unless    properly,may lead to serious problems.
#82920
A
arisen;handling
B
arising;handled
C
rising;handled
D
risen; handling
Not until yesterday ______ anything about the project that will be completed soon.
#84566
A
did I learn
B
have I learnt
C
I learnt
D
that I learnt