I DON’T REMEMBER ... THE FRONT DOOR WHEN I LEFT HOME. A. TO LOCK...

176. - 1000 CAU TRAC NGHIEM TIENG ANH ON THI THPT QUOC GIA CO DAP AN
1000 CAU TRAC NGHIEM TIENG ANH ON THI THPT QUOC GIA CO DAP AN

176. I don’t remember ... the front door when I left home.

A. to lock

B. lock

C. locked

D. locking