Помогите.срочно. выберите правильную форму глагола to be.
Chef (to be) angry becauseshe (to be) late. Their family (to live) on the fifth floor and they (to be) very friendly. (To be) Alexander a clerk? It (to be) cold enough to sit on the bench outside. (To be) the supper tasty? Tom (to be) at the bathroom when I (to call) him. We (to be) so busy at work. My parents (to be) upset because I (to fail) my exams last week/