问题
选择题
We didn't go home ______ the old man was sent to the hospital.
A. until B. when C. while
答案
答案：A
考查连词的用法。not…until“直到…才”。句意为：直到把老人送去医院，我们才回家。故选A。
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We didn't go home ______ the old man was sent to the hospital.
A. until B. when C. while
答案：A
考查连词的用法。not…until“直到…才”。句意为：直到把老人送去医院，我们才回家。故选A。