The house yesterday, a) is built b) were built c) was built

ответ:was built

Объяснение:

Was built

Так как дом БЫЛ ПОСТРОЕН во второй форме глагол be (быть) пишется как was а вторая форма глагола строить built. По этому так.

1. They would have traveled by car if they had thought about this opportunity beforehand.

2. Alexei would have stayed at his grandparents last year if he hadn't gone to the sports camp.

3. His friends would have chosen a present for him if he had told them about his birthday beforehand.

4. I should have read this book if you had given it to me last week.

5. My parents would have bought a voucher for me if I had told them about my plans.

6. They wouldn't have gone abroad on vacation if they had bought the furniture for the kitchen.

My room is very light and large. there is a sofa on the right. next to the sofa there is a yellow nightstand. you can see a vase with flowers on my dresser. on the left side of the dresser there is a window. and next to the window there is my desk where i do my homework. of course,  i have a computer desk with my new net-book which connected to internet. along the long wall of my room there is a book-case with many shelves for books and cd-disks. there are some posters with my favorite pop-singers on the walls. and in the middle of the room there is a colorful carpet. i like my room!