________ H7N9 is a deadly virus, it is still safe to eat thoroughlycooked chicken.
#30280
A
Until
B
While
C
If
D
Since
推荐题目
As many as ten courses are provided ,and you are free to choose suits you best．
#30189
A
whatever
B
whichever
C
however
D
wherever
Our country did a lot about the drunk-driving, and it took some time ____ the situation got better.
#33201
A
after
B
since
C
unless
D
before
（2014年北京市西城区高三5月二模试题）22. ______ Stephon Marbury is an American, he has become a role model among Beijing basketball fans.
#30025
A
As
B
Although
C
When
D
Since