After two years’ research, we now have a ________ better understanding of the disease. 
#20774
A
very
B
far
C
fairly
D
quite
推荐题目
From his _____look , we could see that he hadn’t expected that we could raise such ______questions to him.
#18746
A
confusing; confusing
B
confused; confused
C
confusing; confused
D
confused; confusing
 I'd like to be a professional singer, but I don't think I've got__________.
#20580
A
a good voice enough
B
a good enough voice
C
a voice enough good
D
an enough good voice
—Do you regret paying 500 dollars for your necklace? --No, I would gladly pay__________ for it.
#20788
A
two times as much
B
twice as many
C
twice as much
D
as twice as much
People tend to live more happily and longer if they are ________ about life. 
#19244
A
pessimistic
B
enthusiastic
C
optimistic
D
terrific