— _________ is your ruler?—It’s blue.
#70296
A
What
B
What’s color
C
How
D
What color
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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
— 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