1 . Having checked the doors were closed, and        all the lights were off, the boy opened the door to his bedroom.

A．why	B．that
C．when	D．where

2 . The organizers promise ________ wins the first prize a chance to go abroad.

A．who	B．whom
C．whoever	D．whomever

3 . You can only be sure of _____ you have at present; you cannot be sure of something _____ you might get in the future.

A．that; what

B．what; /

C．which; that

D．/; that

4 . She has been in        doctors describe as a vegetative （植物的） state for six years.

A．what	B．which
C．that	D．how

5 . I don’t doubt _____ for the journey by doing jobs on the ship.

A．that he can pay	B．whether he can pay
C．that can he pay	D．whether can he pay

6 . Cindy shut the door heavily and burst into tears. No one in the office knew         she was so angry.

A．where

B．whether

C．that

D．why

7 . Some children want to challenge themselves by learning a language different from ______ their parents speak at home.

A．what	B．that
C．which	D．one

8 . It is generally believed that communication skills are becoming ______ it takes to be a good doctor.

A．whether

B．that

C．how

D．What

9 . When Peng Liyuan stepped off the plane in Moscow, the whole world wanted to know ________   dressed   the elegant first lady.

A．what

B．who

C．how

D．that

10 . The police were seeking more information to find out______ the rich merchant.

A．who was it that killed	B．who it was that killed
C．it was who killed	D．who was it killed