It is said in the book that Tomas Edison （1847-1931） _______ the world leading inventor for thirty years．
#103208
A
would be
B
has been
C
was
D
had been
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These days, we _____ for our final exams.
#102111
A
are prepared
B
have prepared
C
are preparing
D
will prepare
-----Hi, Nancy, I didn’t know you had come back. So have you graduated from college?---- Yes. I _____ French for 5 years in Nanjing.
#104207
A
have studied
B
studied
C
had studied
D
am studying
Professor Smith, along with his assistants, _____ on the project day and night to meet the deadline.
#101966
A
work
B
working
C
is working
D
are working
—Ouch! You hurt me! —I am sorry. But I any harm. I to drive a rat out.
#103276
A
didn’t mean; tried
B
don’t mean; am trying
C
haven’t meant; tried
D
didn’t mean; was trying