This story tells us how Bill Gates beco

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问题选择题

This story tells us how Bill Gates becomes successful. [ ]

A. mostly

B. mainly

C. most

D. Both A and B

答案

答案：D

选择题

中东地区的游牧业[ ]

A．以放养为主

B．以圈养为主

C．以牧牛为主

D．以牧马为主

选择题

Having arrived at the railway station, _____. [ ]

A. it was found that the train had left

B. the train had left

C. the train was found left

D. he found that the train had left