The education of "bilingual" students in the U.S. has always been closely 39 political, economic and social concerns. As a nation of immigrants, the U.S. was founded by colonists from multiple language backgrounds and nationalities. 40 early private schools were quickly established to teach colonial children, schools were generally segregated by communities so that students studied in their native languages. As immigrant communities (mainly from Europe) vied for political and economic power in the new world, language and nationality differences raised tensions between neighbors. This in turn 41 calls for new immigrants to assimilate by learning the language and customs of earlier arrivals. For example, in colonial Pennsylvania, Benjamin Franklin complained that an influx of German speaking immigrants would threaten the ability of the English in the settlement to maintain their language and government. He was so worried about this prospect 42 he established one of the first groups of English language schools for Germans with the hope of helping them to better assimilate 43 the English-speaking culture. 【題組】43 (A) from (B) for (C) into (D) with