It always ___(rain)when I am not learning.这题是完形填空,答案写的是rains.但是为什么不能填raining呢?

When it ___ (rain) It often ___(rain)in summer here. It sometimes ___ in spring.(rain) It always ___(rain)when I am not learning.这题是完形填空,答案写的是rains.但是为什么不能填raining呢? Why Does It Always Rain On Me?歌词 Look, it ___(rain) now .It ____ (be) cold tomorrow. it seems to rain tonight改为___ ___ ___it will rain tonight Do you know ___ tomorrow?a.whether will it rain b.if it will rain c.whether does it rain Look at these clouds,___.A.It'll rain B.It's going to rain it ___(rain)hard now.it often____(rain)in spring here 选择正确的单词并用其正确形式填空,其中有两项多余.have,rain,rain（有两个rain）,write,wait,be,stay,bring,weather,game,boring,takeDear Jane,I am now at home.The 1__ today is very bad.It is 2___ now.But it is cool.In the 3___ w Look at the clouds ,I think it ___(rain) It will be ___(rain)the day after tomorrow. It ___(rain)when I got home yesterday morning Linda,___(take)the umbrella.it is going to rain. We must get there before it ___(begin)to rain. It often ___(rain) in Guangzhou in summer the radio says it will be ___(rain)