21. It is in the ability to think and the way to solve things______ he_______ from you.
A. which; differs B. that; different
C. which; different D. that; differs
【解析】选D。此句为强调句型，故第一个空应用that；第二个空前没有系动词be，故应用动词形式differ。本句变成非强调句型应为：He differs from you in the ability to think and the way to solve things. 。
22. —Shall we go fishing on Monday or Tuesday?
—Up to you.______ .
A. I don’t know
B. It doesn’t matter
C. It makes no difference to me
D. Never mind
【解析】选C。答句意为：由你决定吧，对我来说没有什么不同。
