Without this year’s Nobel Prize in physics winner Charles Kao’s idea of fibrotic（光纤的）communications, the “modern” telephone and Internet _________impossible．
#103582
A
will be
B
were to be
C
should be
D
would be
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—Look! Here is a message on my mobile phone, asking me to send money to....—Don’t believe it! It’s a trick. More than one person _____ by such tricks so far.
#100616
A
had been cheated
B
was cheated
C
have been cheated
D
has been cheated
It’s nice to see you again. What _____ since we last met?
#103399
A
have you done
B
had you done
C
have you been doing
D
did you do
The news came as no surprise to me, for I _______of it earlier.
#103538
A
hear
B
heard
C
had heard
D
have heard
—Thank you for your coffee.—But you________ it.
#102938
A
didn’t drink
B
aren’t drinking
C
don’t drink
D
hadn’t drunk
—Have you been to the United States?—Yes, only once. I ________ there only for seven days.
#102373
A
stayed
B
had stayed
C
have stayed
D
was staying