Mark the letter A, B, C, or D to complete the sentence Ha started working as a cashier five years agoĐoạn văn29/40Mark the letter A, B, C, or D to complete the sentenceHa started working as a cashier five years ago.Ha has been working as a cashier for five years.Ha had been working as a cashier for five years.Ha had worked as a cashier for five years.Ha has worked as a cashier since five years.Giải thíchChọn đáp án A.