题目内容
—I wonder ______ without water.
—For about a week.
A. how long can a man live B. how long a man can live
C. when can a man live D. when a man can live
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题目内容
—I wonder ______ without water.
—For about a week.
A. how long can a man live B. how long a man can live
C. when can a man live D. when a man can live