The survey shows that ______ we are enjoying less and less good sleep, rates of heart diseases have risen rapidly. 
#30126
A
while
B
although
C
if only
D
as though
推荐题目
I still remember the days___ I spent ______ with you in Beijing.
#33999
A
when; staying
B
what; to stay
C
that; staying
D
during; to stay
_______, and we will do the work better.
#31667
A
Give us more time
B
Given more time
C
Giving us more time
D
Having given us more time