问题
选择题
There are five pairs ,but I’m at a loss which to buy. [ ]
A.to be chosen
B.to choose from
C.to choose
D.for choosing
答案
答案：B
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There are five pairs ,but I’m at a loss which to buy. [ ]
A.to be chosen
B.to choose from
C.to choose
D.for choosing
答案：B