问题
选择题
Today's English learners have a wide choice of dictionaries __to choose．
A．from which
B．in which
C．for which
D．of which
答案
Ａ
题目分析：考查不定式用法。本题使用不定式修饰名词dictionaries,根据句意指有很多字典可以从中选择。Choose from…从…中选择。故A正确。
点评：当不定式做定语的时候，修饰名词，如果动词是不及物动词，后面的介词不能省略，如I want to have a room to live in。