---Do you go to swim every day?---No, but I ________.
#83127
A
used to do
B
used
C
used to do it so
D
used to
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So tired of corn-bread that he eats it with tears in his eyes.
#82197
A
is he
B
he is
C
he was
D
was he
Only the factory ____ yesterday ____ this kind of machines.
#83079
A
did we visit; does it produce
B
did we visit; produces
C
we visited; produces
D
we visited; does it produce
Only when the firefighters put off the fire what great damage it caused.
#81040
A
we had realized
B
had we realized
C
we realize
D
did we realize
Only when he was refused by the interviewer ________ the importance of knowing English.
#81994
A
did he realize
B
he realized
C
had he realized
D
was he realized
Only when your identity has been checked , .
#84594
A
you are allowed in
B
you will be allowed in
C
will you allow in
D
will you be allowed in