问题描述：
1\You'd better quit for the good of your health.Asmoke B smoking C to smoke D to smoking
2\He said he free the next week.A will be B would be C was D had been
3\When the fireman arrived,the fire put out.A has B had C was D had been
2\He said he free the next week.A will be B would be C was D had been
3\When the fireman arrived,the fire put out.A has B had C was D had been
问题解答：
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