问题
选择题
They couldn’t say _____ it was _____ troubled them.
A.that; what
B.what; what
C.what; that
D.what; who
答案
答案:C
They couldn’t say _____ it was _____ troubled them.
A.that; what
B.what; what
C.what; that
D.what; who
答案:C