—Put these glasses away before they ．
—OK．I'll put them in the cupboard．
A. have broken
B. are breaking
C. will be broken
D. get broken
网友回答
A. have broken
B. are breaking
C. will be broken
(答案→)D. get broken
解析：句意：趁着这些玻璃杯还没有被打破将它们收好。Before引导的是时间状语从句，在时间状语从句中，用一般现在时代替一般将来时，而且glasses和break是被动含义，用一般现在时的被动语态。选D。