I don’t know what happened to my pet. It just ________ eat whatever I feed her.
#62854
A
don’t
B
won’t
C
can’t
D
couldn’t
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The light in his office is out. He_________ left for home.
#62358
A
must have
B
must have been
C
should have
D
should have been
--Do you think Jack will lend us a hand?--He is the last one to help others. He _____lend his hand, though.
#62966
A
can
B
must
C
should
D
might
Her sister ____ a taxi driver. Now she works for a charity.
#77672
A
is
B
were used to being
C
is used to being
D
used to be