Ответ:

1. We bought our house two years ago.

2. Has your brother booked tickets to the concert yet?

3. Tina went to a rock concert last night.

4. I haven't seen him before.

Объяснение:

Ответ:

We buy our house two years ago.

Your brother book the concert tickets yet.

Tina go rock concert last night.

I not see him before.