--Growing population resulted in growing rubbish. --There is possibility that ru

题干

--Growing population resulted in growing rubbish.
--There is possibility that rubbish ________the major threat to human beings.

A．becomes

B．is becoming

C．became

D．would become

上一题下一题 0.64难度单项选择更新时间:2013-12-17 08:43:36

小学学科试题库

初中学科试题库

高中学科试题库