A. Why
B. Whether
C. How
D. Where
12. _________ is known to all is that the earth is smaller than the sun.
A. As
B. What
C. It
D. Which
13. ______ surprised me most was ______ such a little boy of seven could play the violin so well.
A. Thatwhat
B. Whatthat
C. Thatwhich
D. Whatwhich
14. _____manners are very important in every country is known to all,but the trouble is that different countries have different ideas about ______good manners are.
A. That;what
B. That;that
C. What;that
D. What;what
15. ______excited Jenny most was ______ she finally succeeded in ______seemed to be the most difficult exam to him.
A. 'That; that; which
B. What; that; what
C. That; because; that
D. What; because; which
16. ______ makes the school proud is ______ more than 90% of the students have been admitted to universities.
A. what; because
B. that; because
C. that; what
D. what; that
17. _______ makes me feel worried is _______ singing stars are centered on by masses of teenagers today.
A. What; what
B. That; that
C. What; that
D. That; what
18. It is entirely true __________ children learn more from people they like. $o, try to be friends with them.
A. what
B. that
C. why
D. how
19. ______ amazed the NBA world is ______ Kobe Bryant scored 81 points just in one game.
A. That, what
B. What, that
C. That, that
D. What, what
20.________ surprises us most is that she doesn’t even know _______ the difference between the two opinions lies.
A. It; which
B. What; what
C. What; where
D. That; where