问题补充:
He is so busy.He cannot afford enough time with his sonhe wants to.(·四川,7)
A. even if
B. as if
C. because
D. before
答案:
A. even if
B. as if
C. because
D. before
解析:A
解析本题考查让步状语从句。句意为:他很忙,即使想抽出足够的时间陪陪儿子也做不到。even if即使;as if好像;because因为;before在……之前。