Mrs. Brown is supposed ______ for Italy last week.

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问题 Mrs. Brown is supposed ______ for Italy last week.

选项 A、to have left
B、to be leaving
C、to leave
D、to have been left

答案A

解析 本题测试点为不定式的用法。当不定式所表示的动作在谓语动作所表示的动作之前发生时,这个不定式就要用不定式的完成时形式。故本题答案为A。
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