Question

This bill isnt right. They___ a mistake. a)had made b)have made c)has made правильный ответ помогите

Answer 1

Правильный ответ b) .
Т. к. ошибку сделали в прошлом, но мы имеем результат в будущем. Время Present Perfect. Ну, и местоимение "they" указывает на множественное число.

Answer 2

Правильный ответ будет 2

Answer 3

The correct answer is b) have made.

The sentence should be: "This bill isn't right. They have made a mistake." This is because "have made" is the present perfect tense, which is used to indicate that an action was completed at some point in the past and has an effect on the present.