Look at your dirty hands. You should go and wash your hands ________ you have lu

题干

Look at your dirty hands. You should go and wash your hands ________ you have lunch.

A．after	B．before
C．while	D．although

上一题下一题 0.65难度单选题更新时间:2018-09-21 08:33:09

小学学科试题库

初中学科试题库

高中学科试题库