The researchers found clear and convincing evidence _______ happiness is the key when it comes to better health and longer lives.
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A
where
B
whether
C
how
D
that
推荐题目
_________ is unknown to us all.
#70547
A
Where did he get it
B
Where he got it
C
That where he got
D
Which he got it
She says that she’ll never forget the time ________ she works as a secretary in our company.
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A
which
B
when
C
how
D
where
It is reported that two schools，_______ are being built in my hometown，will open next year.
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A
they both
B
which both
C
both of them
D
both of which
Moreover, __________you may hardly believe, the examiners had decided in advance to fail half the students taking part in the exams.
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A
which
B
that
C
who
D
whom
I wondered ___.
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A
what the matter was
B
what was the matter
C
the matter was what
D
was the matter what