it looks ____it's going to rain

it looks ____it's going to rain 19、 It looks ___________it’s going to rain. ____it's going to rain (I'm afraid I guess) It looks as if/as though it’s going to rain it looks as if it is going to rain It looks _____ it were going to rain it's going to rain.=it will rain. [英语]It's going to rain还是It will rain? It's going to (raining,rain) It’s going to （ ）（rain） it s going to rain,____ ____? it's going to rain.如题