Question

--I want to know when Mr. Brown will arrive.
--When he            , I will tell you.
A. will arrive              B. arrived                 C. arrives

Answer 1

C

考查狀語從句的用法。用when引導的時間狀語從句，用一般現在時表示將來；“主將從現”，主語是單三，動詞用單三形式arrives。