How do you usually find out about new software? — In the magazines like Popular Electronics. That’s _____computer companies usually advertise. [ ]

下列各句中，划线的成语使用恰当的一句是 （ ）

Jingjiang is_______ the east of Jiangsu and_____ the east of Nanjing.

12．In only 10 years, our province has been___into an advanced industrial province

The Premier says that bilateral relations will grow smoothly and steadily _____ both countries follow the principle contained in the joint documents