关于pick
问题描述：
关于pick
Your books are on the floor ,please pick——————.A up them B them up C them in D them 最好是关于这的语法.
答
B 固定搭配pick up捡起
pick up 是“动词+介词”的短语,如果要接人称代词就要放两者中间,所以不能说pick up them,要说pick them up