(2013·南昌10所省重点中学二模)Mary ________ as a secretary in this company for twenty years and now she stays at home taking care of her own garden.
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A
has served
B
had served
C
is serving
D
served
推荐题目
—May I speak to your manager Mr. Williams at five o’clock tonight?—I’m sorry. He ________ gone to a party long before then.
#103652
A
had
B
is
C
will have
D
has
Last week I took the Civil Service Admission Examination, for which I _____ for nearly three months．
#102168
A
had prepared
B
would prepare
C
was preparing
D
have been preparing
Yao Ming, who ______ the Houston Rockets, is working hard to make his dream come true.
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A
joined
B
joined in
C
took part in
D
competed in
You ____ television．Why not do something more active?
#102877
A
always watch
B
are always watching
C
have always watched
D
have always been watching