Kroc was a salesman who met the McDonald brothers in 1954, when he _______ milkshake-mixing machines.
A.had sold | B.was selling |
C.would sell | D.has sell |
相关知识点
推荐套卷
Kroc was a salesman who met the McDonald brothers in 1954, when he _______ milkshake-mixing machines.
A.had sold | B.was selling |
C.would sell | D.has sell |