单项选择题
A.About one hundred and seventy thousand. B.About one hundred and seventy million. C.About one hundred and seventy billion. D.About one hundred and seventy.
A.Because he didn't like other shoes. B.Because he couldn't walk easily with his shoes. C.Because his shoes were too expensive. D.Because he wanted other people to admire him.
A.In mid 70s. B.In 1959. C.In 1988. D.In 1960.