14.I enjoyed very much the three years ______ it had taken me to study English at school.
问题描述：
14.I enjoyed very much the three years ______ it had taken me to study English at school.
A.which B.what C.when D.how
答
AI enjoyed very much the three years which it had taken me to study English at school.从句it是形式主语,原句应该是to study English at school had taken me...因为前面有先行词 the three years ,所以可以判...