That's very kind  ______  you. I know it's very hard  _______  you to do that.
#41366
A
of, of
B
of, for
C
for, of
D
for, for
推荐题目
-___ __ have you worked?    -Since 2 pm.
#42144
A
How soon
B
How long
C
How often
D
How far
 __________ of his parents are doctors.
#36145
A
Each
B
Both
C
All
D
Some
It’s _______ Andy to plan everything well.
#43530
A
generous for
B
thoughtful of
C
silly for
D
stubborn of