BICYCLES...IN THE DRIVEWAYA. MUST NOT LEAVE B. MUST NOT BE LEAVING...

12. - BAI TAP ON THI THEO CHU DE +DAP AN
BAI TAP ON THI THEO CHU DE +DAP AN

12. Bicycles...in the driveway

A. must not leave B. must not be leaving C. must not be left D.

must not have left