The experiment, ________ will soon be announced~ was done by my colleagues.
A. whose results B. the results on which C. at which the results D. of whose results
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A. also B. moreover C. and D. then
A. where B. because C. although D. which
Last year ________ of new books were published on environmental protection.
A. the hundred B. hundreds C. a hundred D. one hundred
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