Although medical science________control over several dangerous diseases，what wor

题干

Although medical science________control over several dangerous diseases，what worries us is that some of them are recurrent.

A．achieved	B．has achieved
C．will achieve	D．had achieved

上一题下一题 0.64难度单项选择更新时间:2014-06-16 06:05:29

小学学科试题库

初中学科试题库

高中学科试题库