---Where have you been recently? --- I _______ in Hangzhou on business for a week last month.
#101639
A
have been
B
had gone
C
had been
D
was
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---When ______ again?  ---When he ______, I’ll let you know.
#103420
A
he comes; comes
B
will he come; will come
C
he comes; will come
D
will he come; comes
 ——Guess what!I met an old school friend last week.­——How nice!How long____ each other?
#100091
A
didn't you see
B
haven't you seen
C
hadn't you seen
D
don't you see