问题
选择题
Lincoln’s mother did ___ many books ___ him.
A．what she had buy, to
B．what she could buy, for
C．all that she had to buy, to
D．all she could buy, for
答案
答案：B
句中谓语动词did后填写宾语从句 what she could (could 后省略了do ), to buy many books 是目的状语, for sb.意思是:为某人.