范文四（3分）
A foreing (foreign) student studying in America is wise to live with an American family because when a foreing (foreign) student came (comes) to the United States he must make many important adjustment (adjustments). A foreing (foreign) student must change to survive in his new imvironment (environment). A foreing (foreign) student also learns how to take on responsibilities concerning his new family, he (; he) adopts (adapts) to their American life style (lifestyle) as they adopt (adapt) to his. It is a learning experience on both parts.You have a (A student has an) advantage when living (he lives) with an American family. Because (because) they would (he will) learn the american (American) ways and customs better with an american (American) family than if they would live (he lived) with there (his) own homeboys (countrymen).The american (American) family becomes a second family to the foreing (foreign) student. At times a foreing (foreign) student may get homesick; but having (having) a trustworthy second family can give him the security and acceptance he (that he) needs. He is probably use (used) to having a family around him, so he will feel safe if he lives with an American family. Then he must consider that he will be in a strange place. Everything will be new to you (him).His American family can help him learn his way around. So (Therefore) foreing (a foreign student) is smart to live with an American family.
范文五（2分）
My opinion about this subject is that it depends in (on) your level of comprehension regard (regarding) conversational english (English). In other words; (words,) if you understand a considerable amount of english (English) language, your best bet would be to chose (choose) living with an American family. But, if your comprehension level is so low, in which (that) a basic communication is not possible, then (it) would be wise to (for) you to choose living with people of your same country and (or) language.