1 . —Is Mr. Lewis still here?
—No. He ________ here for about an hour and then left.
—No. He ________ here for about an hour and then left.
A.is | B.was | C.has been | D.would be |
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2 . Not until ________, ________ the camp site.
A.the sun went down; they reached | B.did the sun go down; they reached |
C.the sun went down; did they reach | D.did the sun go down; did they reach |
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3 . I didn’t get in touch with David yesterday, since he ________ a meeting when I called.
A.chaired | B.was chairing | C.had chaired | D.would chair |
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