Being a country of immigrants,the Unit states enjoys a wide variety of ethnic food.
问题描述：
Being a country of immigrants,the Unit states enjoys a wide variety of ethnic food.
Having vast ethnic choices,Americans can enjoy food from all over the world.
把上面两句改成状语从句就行了
答
the Unit states enjoys a wide variety of ethnic food because it is a country of immigrants.as Americans have vast ethnic choices,theycan enjoy food from all over the world.