Wecanhear（）fromthebackoftheroom.
C
「句意」 我们在房间的后面也能听得很清楚。
「难点」 as well 意为“(程度) 同样地好”，是副词短语修饰动词hear;just 表示程度，意为“刚好” 。
Ifasubstanceisdissolvedinwaterorheated，itmay（）agas.
I never regretted _____ his offer, for it was not where my interest lay.
Even if his letter（） tomorrow ，it（） too late to do anything.