______ regular exercise is very important, it is never a good idea to exercise too close to bedtime..
#31305
A
If
B
As
C
Unless
D
Although
推荐题目
______ more and more people may refer to the Internet for up-to-minute news, the newspaper will not disappear.
#32205
A
When
B
While
C
Since
D
As
—____when has the country been open to international trade?—1978,I suppose.
#79800
A
Since
B
In
C
From
D
After
I’m sorry I got caught in the traffic；________, I could have been here sooner.
#32895
A
besides
B
although
C
anyway
D
otherwise