Mum bought Dad a jacket the day before yesterday.(保持原意)

问题描述:

Mum bought Dad a jacket the day before yesterday.(保持原意)
Mum bought Dad a jacket the day before yesterday.(保持原意)
Mum______a jacket______Dad the day before yesterday.

Mum bought Dad a jacket the day before yesterday.(保持原意)
Mum (bought) a jacket (for) Dad the day before yesterday.
前天,妈妈给爸爸买了件夹克.
buy sth for sb,为某人买某物.