问题:
(2013·新课标Ⅱ,10)It was only after he had read the papers________Mr.Gross realized the task before him was extremely difficult to complete.
A.when
B.that
C.which
D.what
(2013·新课标Ⅱ,10)It was only after he had read the papers________Mr.Gross realized the task before him was extremely difficult to complete.
A.when | B.that | C.which | D.what |
参考答案: