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The volunteers kept their hands in hot water they could no longer tolerate the pain.A. unless B. unt

编辑:chaxungu时间:2026-04-27 03:03:22分类:高中英语题库

【题目】The volunteers kept their hands in hot water __________ they could no longer tolerate the pain.

A. unless B. until

C. when D. after

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【答案】B

【解析】A.unless除非;B.until直到;C.when 什么时候;D. After在…后;句意:志愿者们把他们的手放在热水直到他们不再忍受疼痛。故选B。