Americanswithsmall的精选

问题详情：阅读短文，掌握其大意，从每题所给的A、B、C、D四个选项中，选出最佳选项。Americanswithsmallfamiliesownasmallcaroralargeone.Ifbothparentsareworking,theyusuallyhavetwocars.Whenthefamilyislarge,oneoftheca...