______ we know, the air quality in the city has improved over the past two years.
#14924
A
That
B
As
C
What
D
It
推荐题目
Some people would rather ride bikes as bike riding has _______ of the troubles of taking buses.
#16347
A
nothing
B
none
C
some
D
neither
I wanted to buy a comic book for my cousin, but there was _________ left in the shop.
#57954
A
none
B
anything
C
nothing
D
something
______was known to them all that William had broken his promise______ he would give each of them a gift.
#17064
A
As, which
B
What, that
C
It , that
D
It , which
—I like the yellow new Beetle. —A smart car but we can’t afford_________ for the time being.
#16396
A
one
B
that
C
the one
D
it