单项选择题

Up to now, the work has been easy.

A．So
B．So long
C．So that
D．So far
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单项选择题
Our lives are intimately bound up with theirs.
A．tensely
B．nearly
C．carefully
D．closely
单项选择题
He talks tough but has a tender heart.
A．heavy
B．mild
C．kind
D．wild
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