问题
Could you please tell me_______?—Sorry, you can turn to Mr. Lee for help.
A:how long can man live without water
B:how long could man live without water
C:how long man can live without water
D:how long man could live without water
B:how long could man live without water
C:how long man can live without water
D:how long man could live without water
正确答案是：
同类题型
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