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 !!