It has kept (raining) for two hours.为什么rain要加ing?

It has kept (raining) for two hours.为什么rain要加ing? It kept raining until this morning 同义句It（ ）（ ） raining until this morning although it stopped raining ,the ground still kept wet 为什么kept 改为remained It has been raining these days. 一道英语选择题：it started raining and （ ） raining almost a month.选项：a：kept b：finished c：stopped. 把 It has been raining these days.改成一般过去式 改错When he woke up,it has already stopped raining 完成时It has been raining.raining既不是形容词,也不是被动语态 It＿for three hours.When will it stop?A.has rained B.has been raining C.is raining 英语翻译now all it has to do is stop raining.是不是all (it has to do ) is (stop raining)? He【 has kept】谓语【 it 】宾语【for 3 years 】状语 not until yesterday afternoon raining.A.it had stopped B.had it stopped c.it stopped D.did it stop 正确答案是D2.not only a promise,but aslo he kept it.A.did it make B.he made C.does he made D.has he made 3.not only interested in football but beg it kept-----for three days,A on raining B to rain C rained D rain 怎样选择? it has started raining 和 it's starting to rain 区别 1they have kept （）on this project for thrree years ( work )2the children will climb the hill if it ( ) tomorrow A won,t rain B didn,t rain Cdoesn,t rain D isn,t raining 3Neither his father nor he ( ) the island A has been to Bhas gone to C have b it is raining是什么意思? It's Raining...歌词 It is raining (heavy).