题目内容
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
B
动词不定式to choose from作定语。所提供的情境but I’m at a loss which to buy表明有五双可供选择,而不是选择五双,要在to choose后加介词from。有五双可供选择,我拿不定主意买哪一双。
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