核心问题
（1）Libraries available—through books and of other media—knowledge that has been accumulated through the ages. (TOEFL)
(2) The remarkable plasticity of clay does it an especially responsive medium for amateur potters. (TOEFL)
请分析上面的试题。
词典解答
make 与 do 有一个显著的差别: make 可后接宾语 + 宾语补足语, 而 do 却没有这个功能。
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That makes my eyes ache. (Hemingway) (不带 to 的动词不定式作宾语补足语) 这使得我眼睛疼痛。
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It'll make me so happy if you'll accept it. (Maugham) (形容词作宾语补足语) 如果你愿意接受,将会使我非常高兴。
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He made her his wife. (ALD) (名词作宾语补足语) 他使她成了他的妻子。
在试题(1)中, knowledge...是宾语, available 是宾语补足语; 在试题(2)中, it 是宾语, an especially responsive medium...是宾语补足语。因此, 试题中的 do 和 does 应分别改为 make 和 makes(参见 object complement)。