Choose A, B, C, or D that best completes eac...

Câu hỏi: Choose A, B, C, or D that best completes each sentence._______his own boss for such a long time, he found it hard to accept orders from another

A. be

B. been

C. being

D. having been

Câu hỏi trên thuộc đề trắc nghiệm

Kiểm Tra – Unit7: Further Education !!