Сколько упражнений они обычно делаю

Сколько упражнений они обычно делают на уроке?
Наш учитель иногда сидит за своим столом.
Он очень редко стоит у доски,но сейчас он там.
Напишите,пожалуйста,это предложение на доске.
Министерство внешней торговли находится в центре города.

Результаты (английский) 1:

How much exercise they usually do in the classroom?Our teacher sometimes sits at his desk.He very rarely has the Board, but now it's there.Write this sentence on the Board.The Ministry of foreign trade is at the heart of the city.

Результаты (английский) 2:

How much exercise they usually do in the classroom?
Our teacher sometimes sitting at his desk.
He very rarely stands at the blackboard, but now he's there.
please complete this sentence on the board.
The Ministry of Foreign Trade is at the heart of the city.

Результаты (английский) 3:

How much activity they usually do at the lesson?
our teacher sometimes is sitting at his desk.
he very rarely is the pan,but now it is.
write,please,this proposal on the blackboard.
The Ministry of foreign trade is located in the heart of the city.