it seems as if it is going to rain中的be going to 可以换成will吗?为什

it seems as if it is going to rain中的be going to 可以换成will吗?为什 It seems as if it is going to rain.中的is going to 可以改成is to It seems as if it----rain.A.will to B.is going to C.is to D. It seems as if it is going to rain中为什么要用个if 22.It seems as if it is going to rain,_____ the sky is dark. It s-e- as if it is going to rain it looks as if it is going to rain 有it seems going to rain吗 the weather s as if it is going to rain It (is going to/will) rain. It looks as if it is going to rain.后面不该用was going It looked as if it was going to rain.