【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
在线课程【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。
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
在线课程【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。