помогите вставить предлоги по английскому

1.They have broken INTO the market.
* to break into a market - прорваться на (какой-либо) рынок
2. They have been keeping DOWN the world prices for a long time.
* to keep prices down - не допускать повышения цен, сдерживать рост цен
3. This company is very successful, they are always heavy WITH orders.
* to be heavy with orders – иметь много заказов
4. He is ON trial now.
* to be on trial - быть привлечённым к суду
5. We work UNDER their supervision.
* to work under smb.'s supervision - работать под чьим-либо руководством
6. Who took part IN the conference?
* to take part in smth. - принимать участие в чём-либо
7. He prefers working in the office TO working face-to-face with customers.
* to prefer smth. to smth. - предпочитать что-либо чему-либо
8. They have already placed a trial order FOR office furniture WITH the company.
* to place a trial order for smth. with some company - заказать на пробу какой-либо товар у какой-либо компании
9. How often do you get IN touch WITH this distributor?
* to get in touch with smb. - выходить на связь с кем-либо
10. We would like to participate IN the exhibition.
* to participate in smth. - принимать участие в чём-либо