Itwasonlyafterhehadreadthepapers    Mr.Grossrealizedth...

問題詳情：

 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

【回答】

B

知識點：強調句

題型：選擇題