we didn`t go home ____the old man was sent to the hospital 1.until 2.when 3.while 4.that

题目

we didn`t go home ____the old man was sent to the hospital 1.until 2.when 3.while 4.that

答案

选1 until
not...until...直到...才
我们直到那个老人被送进医院才回家