b Complete with Let's or Let's not and a verb from the list . do go ( x2 ) open stop take turn off watch 1 2 It's hot . Let's open the window . Come on , it's late . It's 11.00 p.m. and go to bed . 3 This exercise is difficult . it together . 4 expensive . The bus is fine . a taxi . They're very 5 There's a service station . and have a coffee . 6 It's very cold . cinema . home . the TV to the a DVD at p.18