问题:
It was only after he had read the papers ________ Mr.Gross realized the task before him was extremely difficult to complete. (2013·大纲全国,30)
A.when
B.that
C.which
D.what
It was only after he had read the papers ________ Mr.Gross realized the task before him was extremely difficult to complete. (2013·大纲全国,30)
A.when | B.that |
C.which | D.what |
参考答案: