Question

He (come) back on Saturday, as he (promise). They all (wait) for him in the sitting-room. When he (enter), everybody (rush) forward to him to embrace and hug him in greeting.
The stale of his clothes indicated that he (play) football in the muddy field. 

Answer 1

He came back on Saturday, as he promised. They all was waiting for him in the sitting-room. When he has entered, everybody rushed forward to him to embrace and hug him in greeting. The stale of his clothes indicated that he played football in the muddy field.