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
The door remained ____. I didn’t know where he had gone to .
#20329
A
closed
B
closing
C
close
D
to be closed
The _______age of the students in our class is about 19.
#19776
A
common
B
average
C
usual
D
ordinary
I wonder why Jack always gets good marks when he does only ________ the others.
#18197
A
half as much as
B
as much as half
C
half as many as
D
as many as half