The researchers found clear and convincing evidence _________ happiness is the key when it comes to better health and longer lives.
#30504
A
where
B
whether
C
how
D
that
推荐题目
The baby, ________health was ruined after taking the medicine, was only one year old.
#30641
A
which
B
whose
C
who
D
whom
She feels her failure very sharply _________-she won’t admit it.
#34762
A
as though
B
now that
C
even though
D
if only
In America, many people waste a lot of food _____ in Africa people haven’t enough to eat.
#33108
A
however
B
although
C
as
D
while
________ all of them are strong candidates，only one will be chosen for the post.
#30231
A
Since
B
While
C
If
D
As