Tigerswait      itisdark,thengoouttofindtheirfood.A.sin...

问题详情：

Tigers wait       it is dark, then go out to find their food.

A. since                B. until                    C. as

【回答】

B。until“直到……才”, 符合句意。句意：老虎直到天黑才出去寻找食物。

知识点：连词

题型：选择题