My grandpa usually goes on with his work after lunch

问题描述:

My grandpa usually goes on with his work after lunch
My grandpa usually goes on with his work after lunch(同意句)
My grandpa usually goes on -----his work after lunch

我爷爷通常在午饭后继续他的 工作.问下同一句,就是我补充提问的那个,得按照底下的横先写doing