They have been trapped for sevevteen hours.They tried to come up hours( )问题补充中为选项A since B ago C for D since then 为什么

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• They have been trapped for sevevteen hours.They tried to come up hours( )问题补充中为选项
• they have been trapped for seventeen hours. they tried to come up seventeen hours___A since B ago C for D since then选择哪一个,及分别说出每个为什么对与错,
• They have been trapped for sevevteen hours.They tried to come up hours( )问题补充中为选项A since B ago C for D since then 为什么
• Have they tried to send information to us?不定式 tried to 在这里做什么（例：谓语?……）Have they tried to send information to us?不定式 tried to 在这里做什么（例：谓语?……）
• -Have you ________ your brother to give up smoking -No,I talked to him yesterday but he would not accept advice .1.persuaded 2.advise 3.promised 4.suggested persuaded 劝说,说服 但是persuade是说服了,而根据该题的回答是没有说服.我觉得该题不好,1的答案应该改为 tried to persuade.你们说是不是?