The researchers found clear and convincing evidence ________ happiness is the key when it comes to better health and longer lives.
#32958
A
where
B
whether
C
how
D
that
推荐题目
He is a key ____________ in the murder so we must protect him from all kinds of danger.
#34297
A
witch
B
watcher
C
wizard
D
witness
_______ the paintings of da Vinci, the Louvre Museum has more than 6,000 other European paintings, _______ from the 13th century to the 19th century.
#32864
A
Except; ranging
B
Besides, ranged
C
Except; ranged
D
Besides; ranging
________ H7N9 is a deadly virus, it is still safe to eat thoroughlycooked chicken.
#30280
A
Until
B
While
C
If
D
Since
___ you have finished your homework, you can go and play with your friends.
#32813
A
As if
B
So that
C
Even if
D
Now that