He doesn't think ________ rain this afternoon.
问题描述：
He doesn't think ________ rain this afternoon.
it won't
it's going to
if it's going to
whether it's to
答
选 it's going to
否定已经前移,后面就不用否定句,排除 it won't
其次,主句是“He doesnt' think(他不认为)”,是个否定句,后面不接表示"是否"的“if”或“whether”