He is quite sure that it’simpossible for him to finish the task within two days.A. extreme

问题补充：

He is quite sure that it’simpossible for him to finish the task within two days.

A. extremely

B. absolutely

C. very

D. particularly

答案：

A. extremely

(答案→)B. absolutely

C. very

D. particularly

解析：Babsolutely impossible “绝对不可能”，符合题意。另外三个词不可与impossible搭配使用。extremely:极其，非常;particularly：特别，尤其

句意为：他很确信自己在两天内就完成这项任务是绝对不可能的。