三·改错题we sit on the front row.she sits in front of the classr

三·改错题
we sit on the front row.
she sits in front of the classroom.
who,s that girl at the right side.
miss li is standing at the middle of the classroom .
there is a bank in center street .
my mun hopes me to study hard and get good grades.
i spend ten dollars for the english book.
he talks goodbye to me .
they say nme about the school trip .
there are some trees cross from the river .