单项选择题There is a trend towards equal opportunities for men and women.
单项选择题Efficient air service has been made available through modern technology.
单项选择题Customers are well waited on in this big department store.
单项选择题People from many countries were drawn to the United States by the growing cities and industries.
单项选择题The most prominent characteristics of handwriting are undoubtedly letter formation and slant.
