It's a chicken-and-egg question. I can't answer you now.           
#45634
A
easy
B
clear
C
difficult
D
funny
推荐题目
When you cross the road, you should be _____ and walk _____
#46886
A
carefully; careful
B
careful; carefully
C
careful;, careful
D
carefully; carefully
Kate is very ___ in history because she thinks it is very _____.
#47695
A
interested, interested
B
interested, interesting
C
interesting, interesting
D
interesting, interested
Why is Simon ________ crazy _________ playing computer games?
#45342
A
such; about
B
so; about
C
so; in
D
so; on