Though he thought math was very difficult, he never ___

试题详情及答案解析

Though he thought math was very difficult, he never _______it ______.

A．put; up	B．turned; up
C．took ; up	D．gave ;up

答案：D

试题分析：put up张贴 turn up开大；pick up拾起；捡起；give up放弃。句意为“尽管他认为数学很难，但他从来没有放弃。”故选D。
考点：考查短语动词辨析。