The air quality in the city,________ is
题型:选择题
问题:
The air quality in the city,________ is shown in the report,has improved over the past two months.(2012·福建,23)
A.that
B.it
C.as
D.what
The air quality in the city,________ is shown in the report,has improved over the past two months.(2012·福建,23)
A.that
B.it
C.as
D.what