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
