英语解释句子（填同义词）

题目

英语解释句子（填同义词）
1、I was sleeping when was a fire.
I ______ ______ when was a fire.
2、Do you know the location of reception desk?
Do you know __________________________?
3、Seconds later,the smoke became heavier.
______ ______,the smoke became heavier.

答案

was asleep
where the reception desk is
soon after