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
Mr. Wu always spends a lot of time explaining things to us. He is so _______.
#46103
A
cool
B
patient
C
selfish
D
unfair
---Can your brother play tennis?---Sure. He plays____ I do.
#45301
A
as good as
B
as well as
C
as clear as
D
as loudly as
—What about going by plane? —Good idea! I feel really_______ because it’s the first time for me to take a plane!
#45203
A
worried
B
sad
C
strange
D
excited
–What should parents do when their children have some problems?--I think it’s ____ for them to be there with their children.
#45982
A
impossible
B
important
C
impolite
D
difficult