考高分7.Do you have any idea ____ is actually going on in the classroom?
A.that
B.what
C.as
D.which
考高分8.Sometimes advertisements make ____ possible for companies to sell the customers ____ money cannot buy.
A./；that
B.it；what
C.that；which
D.it；whose
考高分7.答案是B;此处what引导同位语从句，解释前面名词 idea的内容，而且充当从句中的主语。
考高分8.答案是B;第一空为固定句型make it possible for sb. to do sth.;第二空中what引导宾语从句，且在从句中充当buy的宾语。
