Jack’smotherwassotired.Shefellasleep
问题详情：
Jack’s mother was so tired. She fell asleep ______ she lay down on the bed.
A. until B. as soon as C. unless
【回答】
B
知识点：连词
题型：选择题
问题详情：
Jack’s mother was so tired. She fell asleep ______ she lay down on the bed.
A. until B. as soon as C. unless
【回答】
B
知识点：连词
题型：选择题
