1 . ________ computer games is the reason ________ he is absent-minded in class.

A．Being addicted to; that	B．Addicted to; why
C．Being addicted to; why	D．Addicted to; that

2 . The reason ______ I love my job as a nature photographer is ______ I can observe animals in their natural environment.

A．why; because	B．for which; because
C．why; that	D．that; since

3 . Could you tell me the reason ______ you were late for class last Monday?

A．why

B．where

C．when

D．which

4 . 我能胜任这个职位的理由如下。(汉译英)

5 . The reason ________ Tom failed in the exam was ______ he didn’t work hard.

A．why; that

B．that; why

C．why; because

D．for which; because

6 . 这就是我不能理解我姐姐的原因。（汉译英）

7 . The reason ________ Ben failed to make himself understood was ________ he was poor at speech.

A．that, that

B．why, that

C．for which, because

D．which, because

8 . You’d better not ask for the reason ________ he was absent for the meeting.

A．why

B．where

C．what

D．because

10 . The limits of a person’s intelligence, generally speaking, are fixed at birth, but ______ he reaches these limits will depend on his environment.

A．whether

B．where

C．that

D．why