— Hello, Sandy. This is Jack. What are you doing?— I’m watching a match. It started at 7 p.m. and _____ on for another half an hour.
#37572
A
has been
B
was
C
had been
D
will be
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----- I haven’t heard from Henry for a long time.----- What do you think ___________ to him?
#41739
A
has happened
B
to happen
C
was happening
D
had happened
  By the time I was nine ,I ______hundreds of English words.
#38204
A
had learned
B
have learned
C
has been learned
D
had been learned