The manager _______ the workers how to improve the program since 9 a.m. 
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A
has told
B
is telling
C
has been telling
D
will have told
推荐题目
------- Hi, Jane! How nice meeting you here in London! -------Oh, it’s you, Frank. I ____ that you _____ in London.
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A
didn’t expect, were
B
don’t expect, are
C
didn’t expect, are
D
don’t expect, were
Opposite my school _______ a book store, _______ was built ten years ago.
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A
is standing, which
B
stood, it
C
stands, which
D
stands, that