蔚____蓝(wēi wèi) 手腕____(wàn wǎn) 巡弋____(yì gē)
威胁____(1éi xié) 绿茵茵____(yīn yīng) 弥____漫(mí ní)
It will____ in Beijing.
下列哪个是分式方程( )