英语问题：简单……速度时间!选择题.
[]summer in nanjing?(a.what/b.how/c.where/what about)

[]autumn is the best season ___ new york.(a.at/b.on/c.in/d.with)

[]i'm ___ to shanghai next week.(a.going/b.go/c.to go/d.goes)

[]my father will come back ___ beijing.(a.from/b.of/c.like/d.with)