题目内容
Mrs. Smith locked both the front and the back doors before she went to bed ________ that a thief might steal into the house.
A. so B. for fear C. unless D. in case
答案:B
提示:
提示:
练习册系列答案
相关题目
题目内容
Mrs. Smith locked both the front and the back doors before she went to bed ________ that a thief might steal into the house.
A. so B. for fear C. unless D. in case