It’s important ________ the piano well. 
#70667
A
of him to play
B
for him to play
C
of him playing
D
for him playing
推荐题目
— There are still many old city walls in Xi’an, _______?—Yes, there are.
#69392
A
are there
B
aren’t there
C
are they
D
aren’t they
She’s never late for class, ______?
#69502
A
is she
B
has she
C
isn’t she
D
hasn’t she