There _______ nothing more for discussion, the meeting came to an end half an hour earlier.
A. to be 13. to have been
B. being
C. be
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How can I ever concentrate if you _______ _____ me with silly questions?
A. have...interrupted
B. had ...interrupted
C. are.., interrupting
D. were.., interrupting
Chris became more and more ______ (panic), as the day of the examination drew near.
你是哪____?级学生
A. 16
B. 18
C. 19
D. 17