Question

(2007·長沙中考題)

Do you know the reason ________ he was late?

[　　]

A．for which

B．for what

C．which

D．of which

Answer 1

答案：A
解析：

解析：從句子的結構看，本句是含定語從句的主從復合句。先行詞為reason，而定語從句的結構為：he was late for the reason，因此關系代詞在定語從句中作介詞for的賓語。因此空格中應填寫for which。故A為正確答案。