— Has Jack finished his homework yet? — I have no idea;he __it this morning.
#104425
A
was doing
B
had been doing
C
has done
D
did
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Hi, Bill. I _____ you _____ in this city. How long have been here?
#103680
A
didn’t know; were
B
don’t kow; are
C
haven’t known; are
D
don’t know; were
He ___ Beijing for a long time.
#104491
A
has been away
B
has left
C
has been away from
D
left