Question

【题目】（2017年山东青岛）Jack’s mother was so tired. She fell asleep she lay down on the bed.

A. until B. as soon as C. unless

Answer 1

【答案】B

【解析】试题句意：杰克的妈妈是那么的累。她一躺到床上就入睡了。until直到……，引导时间状语从句；as soon as一……就，引导时间状语从句；unless如果不，除非，引导条件状语从句。结合句意，故选B。