—Must I turn off the gas after cooking?—Of course.You can never be ________ careful with that.
#22273
A
enough
B
too
C
so
D
very
推荐题目
Mike does well in singing and he is good at gymnastics __________ .
#23700
A
either
B
as well
C
but also
D
neither
The workers have produced _______ this year as they did two years ago. 
#22242
A
astwicemuchcotton
B
twiceasmuchcotton
C
twicecottonasmuch
D
cottontwiceasmuch