Mr. Wang is a teacher. He ______ in this school for 20 years.
#36963
A
has worked
B
worked
C
will work
D
works
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 We only heard about the meeting yesterday, so it ______ yet.
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A
didn’t prepare
B
hasn’t prepared
C
wasn’t prepared
D
hasn’t been prepared
A young man ___ John _____ school recently.
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A
calling; has left
B
called; will leave
C
calling; is leaving
D
called; has left