问题
选择题
.
Most of us know we should cut down on fat．But knowing such things isn’t much help________it
comes to shopping and eating．
A．since
B．as
C．after
D．when
答案
答案：D
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.
Most of us know we should cut down on fat．But knowing such things isn’t much help________it
comes to shopping and eating．
A．since
B．as
C．after
D．when
答案：D