题目内容
The moment the 28th Olympic Games ________ open, the whole world cheered.
A. declared B. have been declared C. have declared D. were declared
D
考查时态和语态。通过the whole world cheered可以看出本题用一般过去时,另外比赛应该由某人宣布开始,这里只强调宣布的动作。
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