不能豁免归国服务但是可以申请豁免。 不能办绿卡。
If you marry a U.S. Citizen you are eligible to apply immediately for Permanent Residency (green card), unless you have had a J-1 visa with a two-year home residency requirement which has not been fulfilled or waived.
所有人都可以跟美国公民结婚,马上拿到绿卡,只有J-1签证的例外,必须回国服务两年或者是把豁免申请下来。