_____ worries the doctor most was _______ they could find the cause of the disease.
#68603
A
What; how
B
That; that
C
What; what
D
How; what
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 _______ in the regulations that you shouldn't tell other people the password of your e-mail account.
#72633
A
What is required
B
What requires
C
It is required
D
It requires
 _________ get such a book?
#70361
A
Where do you think can I
B
Do you think where can I
C
Where do you think I can
D
Do you think where I can