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
It will be at least three weeks________ he recovers from his illness and returns to work.
#31963
A
before
B
when
C
since
D
after
—I must apologize for ______ ahead of time. —That’s all right.
#32100
A
not letting you to know
B
not letting you know
C
letting you know not
D
letting not you know
Ray is a new graduate, and it seems that he has difficulty in dealing with ________ problems arise.
#30807
A
whichever
B
whenever
C
whatever
D
wherever
The factory is used to be an art museum, people could learn about various cultures.
#32045
A
What; where
B
Where; where
C
What; which
D
where; that
