Dave is planning to buy a peephole. Read his conversation with a friend and choose the right words to complete the sentences.

Choose the correct option.

Jack: Hello, Dave.

Dave: Hi, Jack.

Jack: Where are you going, Dave?

Dave: I am going to the shop to buy a new [peephole|window|hole] for the door.

Jack: Why do you need it?

Dave: It is not safe in the city. We should have some things that help us protect our flat or house.

Jack: Really? But we [doesn't have|does have|don't have] much crime in our city.

Dave: No, but it's necessary to think about your personal safety.

Jack: I see. How can your peephole protect you?

Dave: I can see who is near my door. Also, I can [use|uses|using] a special camera, but not now.

Jack: Dave, you can ask the person who they.

Dave: Yes, but the person can keep [silence|silent|silk]. Thanks to the peephole I can look [out|after|through] it and call the police if this person is dangerous and wants to enter the flat.

Jack: Now I understand. It will be a very useful thing. It really can help you feel safe.

Dave: That's right.