——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
推荐题目
With the rise of modern communication tools, handwritten letters ______ by emails. 
#100623
A
will replace
B
have replaced
C
are replaced
D
are being replaced
Please don’t make so much noise.I     a novel.
#101730
A
writes
B
am writing
C
wrote
D
was writing
When _____ the letter, tears came to her eyes.
#101827
A
she was reading
B
reading
C
she reading
D
read
—Could I use your dictionary?—Sorry, it __________.
#102450
A
is using
B
was using
C
was used
D
is being used