Вопрос по английскому языку:

Помогите пожалуйста (СРОЧНО)
Раскрыть скобки употребляя глаголы past simple или present perfect
1 He already (to build) a house
2 He (to build) a house last year
3 They never (to sell) equipment
4 They ( to sell) equipment last year
5 We (to advertise) the model this week
6 We (to advertise) the mpdel last week
7 The company just (to introduce) this model on the market
8 The company (to make) great achievements 2 years ago