Sir, you should__________ at the red light．But you didn’t．
#46727
A
stop
B
have stopped
C
not have stopped
D
stopped
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— Come and join us, Jimmy!— I’m sorry, but I’m really busy now. If I time, I would certainly go.
#46748
A
have
B
have had
C
had
D
will have
— I don’t know what to wear at the party.— If I you, I would wear a shirt and a tie.
#46812
A
am
B
is
C
were
D
was
If his brother a millionaire（百万富翁）, he'd buy her sister the expensive car.
#46741
A
was
B
were
C
is
D
be
If it had been possible, I would have helped him, but I ______ too busy.
#46744
A
had been
B
would be
C
were
D
was