1 . The shop is closed. They have to go back home

A. Unless the shop were closed, they would have had to go back home B. If the shop were closed, they would have to go back home

C. If the shop weren't closed, they wouldn't have to go back home D. Jnless the shop is closed, they won't have to go back home
2 Go away or I'll call the police

A. Unless you went away, I would call the police B. I will call the police if you don't go away

C. I won't call the police if you leave

D. I would call the police if you didn't go away
3 She is going to visit her grandparents this summer holiday A. She is going to be visited her grandparents this summer holiday

B. Her grandparents are going to be visited this summer holiday

C. Her grandparents aren't going to be visited this summer holiday D. Her grandparents are going to visit her this summer holiday
4 He sold that great book to a businessman last month A. That great book would be sold to a businessman last month

B. That great book was sold to a businessman last month

C. That great book sold to a businessman last month

D. A businessman sold that great book last month