问题
选择题
The two dresses are very nice. I can’t decide _________。
A．which one should I buy
B．which one to buy
C．which one I to buy
D．which I bought one
答案
答案：B
考察特殊疑问词的用法。特殊疑问词+to do sth 句意：这两条裙子都很漂亮，我不能决定买哪一条。故选B