THE MAN……ALONG THE CORRIDOR IS OUR BOSS.A. TO WALK B. WALKING C. WH...

9. - BO DE THI TRAC NGHIEM NGU PHAP TA ON THI 10
BO DE THI TRAC NGHIEM NGU PHAP TA ON THI 10
9. The man……along the corridor is our boss.a. to walk b. walking c. who walking d. walks