Mr. White didn’t understand __________ made his wife so upset this morning.
#66608
A
what was it
B
why was it that
C
why it was that
D
what it was that
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The idea for the new machine came to Mr. Baker ______ to his invention recently.
#72375
A
while devoting
B
while devoted
C
while he was devoted
D
while devoting himself.
—Well, I do think the iPod is a smart, convenient and intelligent. —________.
#73739
A
So it is
B
So is it
C
So does it
D
So it does
     in the regulations that you should not tell other people the password of your e-mail account.
#72904
A
It requires
B
It is required
C
What requires
D
What is required