题目

—Simon failed the exam again.—That's not surprising. Computer gamestoo much of his time.A.take out B.take away C.take off D.take up 答案：【答案】D【解析】句意：——西蒙又一次考试不及格。——这并不奇怪。电脑游戏占用了他太多的时间。考查动词短语。take out拿出、取出；take away拿走；take off 起飞、脱下；take up占用。根据句意可知，本题表示“占用时间”之意，故选D。若2（a+b）+4（a+b）=12，则a+b=________．