48. Andrea: I want to buy some new shoes for the winter. Shan: Well, I ___ looking for a new pair of boots for weeks, but I can’t find anything I like. A am; B was; C had been; D have been.

Question

Вопрос:

Accepted Answer

Ответ: D) have been. For weeks указывает на действие, начавшееся в прошлом и продолжающееся сейчас.