问题
选择题
You must be aware ______the fact that it is ____ great importance to learn English well.
A．to; of
B．of; of
C．to; in
D．of; in
答案
答案：B
考察固定结构。Be aware of意识到…;of great importance=important重要；结合句意可知B正确。句意：你必须意识到这个事实，学好英语很重要。