Обведи верный ответ. 1 We ... stop polluting the environment. A

Обведи верный ответ. 1 We ... stop polluting the environment. A dont have В have not C have to 2 They have been ... up litter all morning. A pick В picking C picks 3 We ... cook tonight. Cindy has invited us to dinner at her place. A must have В don39;t have to C have to 4 She doesn39;t work here anymore, ... ? A is she В doesnt she C does she 5 You ... to come with me. I cant go there on my own. A have В must C should 6 Weve ... a wonderful new car. A buy В bought C buying 7 You ... study hard if you want to go to university. A have В must C need 8 You couldnt lend me 10 till the end of the week ... ? A did you В could you C will you 9 I39;ve been ... about you all day. A think В thought C thinking 10 Do I really ... do my homework? A have to В must C should