Frank often wears a mask _____ he can keep fit in the foggy and hazy (霾) weather.
#55316
A
only if
B
until
C
so that
D
even though
推荐题目
He has to earn lots of money he can buy his children nice food and clothes．
#57338
A
so that
B
such that
C
that
D
in order
“They have a lot to eat and drink.” It is a structure of ________.
#57256
A
S+V+P
B
S+V+IO+DO
C
S+V+DO+CO
D
S+V+DO
he studied hard every day, he didn’t pass the exam.
#58253
A
Because, so
B
Although, but
C
Although, /
D
Because, /
Earth is becoming more and more polluted. ______, people will move to Mars one day.
#55145
A
In order to
B
So that
C
As a result
D
Because of
---I’m going to Hangzhou for a holiday this weekend. --- ___ you are there, could you buy me some green tea?
#55675
A
Because
B
While
C
During
D
As