单项选择题

______ of the burden of ice, the balloon climbed up and drifted to the South.

A．To be free
B．To free
C．Freeing
D．Freed
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单项选择题
Can't you speak more ______ to your parents
A．respectably
B．respectingly
C．respectively
D．respectfully
单项选择题
Some ______ good luck brought us nothing but trouble.
A．seemingly
B．satisfactorily
C．uniformly
D．universally
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