He spent as much time as he ____over his lessons.A.could go B.could going C.couldto go D.went
问题描述：
He spent as much time as he ____over his lessons.
A.could go B.could going C.couldto go D.went
答
as much time as he could 意为 尽可能多的时间
spent （in） doing固定句式
全句的意思是 他花了尽可能多的时间来复习功课
答
He spent / as much time as he could / going over his lessons
是这样的,这题中的语法知识是spend doing,as much time as he could是一个整体,楼主看得懂吧.