1. Complete the dialogue with must, can’t, could, might and the correct verb form.
Tom: (looking out the window) There’re some people in the garden next door. They (1) _______ ( be) our new neighbours – the Watsons.
Sally: (going to the window) They (2) ______ (be). Our new neighbours arrived yesterday. They’re a different couple.
Tom: Oh. Well, they (3) ______ (be) friends, visiting the Watsons.
Sally: They look like the police. The Watsons (4) ______ (do) something wrong. We’ve got criminals next door!
Tom: Sally! We don’t know that. The Watsons (5) _______ (call) the police about us. We had a very noisy party last night. And we didn’t invite them.
Sally: They (6) ______ (not want) to come to a party on their first night in a new house!
Tom: Hey! Our neighbours (7) _______ (go) out. The police are coming over here.
They (8) _______ (want) to ask us some questions about the Watsons.
(There’s a knock on the door. Tom answers.)
Tom: Sally! These people want some money for poor children in Africa.