i really don't know what i can buy for my fatheri really don't know（）（）（）for my fater 同义句your english teacher seems to be happy today。（ ）（ ） （ ） your english teacher （ ） happy today.同义句

i really don't know what i can buy for my fatheri really don't know（）（）（）for my fater 同义句your english teacher seems to be happy today。（ ）（ ） （ ） your english teacher （ ） happy today.同义句
i really don't know what i can buy for my father
i really don't know（）（）（）for my fater 同义句
your english teacher seems to be happy today。
（ ）（ ） （ ） your english teacher （ ） happy today.同义句

i really don't know what i can buy for my fatheri really don't know（）（）（）for my fater 同义句your english teacher seems to be happy today。（ ）（ ） （ ） your english teacher （ ） happy today.同义句
what to buy
Your english teacher seems to be happy today.=
（ It ）（ seems ） （ that ） your English teacher （ is ） happy today.