be going to与will be的区别?Look at these clouds.______.A. It'll rain B. It's going to rain C. It'll be rain D. It is to rain答案是B 请问为什么不能选C?

will与be going to 的区别 will be 与be going to do 的用法 be going to 与will用法 一般将来时be going to与will的区别 be going to be和will be的区别 will和be going to的用法 be going to和will的区别 will和be going to的区别 be going to 和will的区别 will和be going to的区别? be going to 和will的区别 will和be going to的区别 want,will,be going to 的区别 be going to 和 will 的区别 will和be going to 的区别 请教will,be going to,be to的区别? there will be与there is going to be的区别 跪求there will be与 there is going to be 相关的选择练习题