It ___ ___ when the plane _____ at Tianhe Airport 当飞机降落在天河机场时,正在下雨
问题描述：
It ___ ___ when the plane _____ at Tianhe Airport 当飞机降落在天河机场时,正在下雨
答
It _was__ _raining__ when the plane __arrived___ at Tianhe Airport
答
It was raining when the plane landed at Tianhe Airport
答
was raining land
答
was raining landed
答
was raining,landed