问题补充:
He is so busy. He cannot afford enough time with his son he wants to.
A. even if
B. as if
C. because
D. before
答案:
(答案→)A. even if
B. as if
C. because
D. before
解析:考查连词:句意:他很忙。他即使想腾出足够的时间陪他的儿子却也不能。根据句意,从句为让步状语从句,故用even if(即使)。As if(好像)引导方式状语从句;because(因为)引导原因状语从句;before(在…之前)引导时间状语从句。选A。