Question

－When did your father come back last night?－He didn’t come back_________ he finished all the wo

－When did your father come back last night?－He didn’t come back_________ he finished all the work. A．until B．while C．if D．that

Answer 1

C

试题分析：通过句意，本句的意思应该是“他没有回来，直到他完成了所有的工作。”所以本题应该选择A。while表示“当…时候”，if表示“如果”，that做引导词时，没有意思。Until表示“直到……才”。所以本题选C。 点评：应该根据题意，结合连词的用法选择合适的连词。