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
After graduating from college，I took some time off to go travelling , ____________turned out to be a wise decision．
#34745
A
that
B
which
C
when
D
where
Fortunately it was near the place ____ there was a bomb ____ we found the soldier alive.
#34034
A
that; where
B
where; in which
C
where; that
D
that; in which
The writer is not satisfied with _______ buses are too crowded.
#34691
A
that
B
which
C
what
D
the fact that