Frank often wears a mask ________he can keep fit in the foggy and hazy (霾) weather.
#55993
A
only if
B
until
C
so that
D
even though
推荐题目
It was raining heavily, _____ we decided to stay at home and watch TV.
#55325
A
but
B
or
C
because
D
so
She is very good at painting. She can paint _______ her teacher.
#58538
A
as better as
B
as well as
C
as good as
D
so well as
