Помогите пожалуйста!)
1.Выбирите правильный ответ:
1)What...a nice weather!
a)a b)an c)-
2)Mr Smith never been walks to his office,...?
a)doesn't he b)is he c)does he
3)She's never sad,...?
a)has she b)is she c)hasn't she
4)I ... the dictionary yesterday.
a)have bought b)bought c)will buy