We are sure one day the air in Beijing will be much ______ than today.
#44269
A
clean
B
cleaner
C
cleanest
D
the cleanest
推荐题目
He doesn’t do his homework________. So he always makes some mistakes.
#46992
A
careful enough
B
enough careful
C
carefully enough
D
enough carefully
Jack is  ___________boy in my class.
#47812
A
taller
B
the taller
C
as tall as
D
the tallest
She isn’t       her sister Tina.
#45615
A
more smarter than
B
so smarter as
C
more smart than
D
as smart as