1) Look! Somebody ____ (break) that window. 2) I ______ (read) the book you gave me but I ___(not. finished) it yet. 3)"Sorry I am late." That is all right . I ____ (not/ wait) long. 4) Hello! I ____(clean) the windows. So far I ___ ( clean ) five of them and there are two more to do. 5) there is a strange smell here ____( you/cook) something? 6) my brither is an actor. He ____ (appear) in several films. Если что тема такая "Present perfect" "Present Perfect Continions"