These problems, ________, will seriously affect the growth of teenagers and even

题干

These problems, ________, will seriously affect the growth of teenagers and even the nation’s future.

A．not if solved properly	B．if solved properly
C．if not solved properly	D．not if properly solved

上一题下一题 0.64难度单项选择更新时间:2014-03-07 05:35:29

小学学科试题库

初中学科试题库

高中学科试题库