I’M SORRY I DIDN’T REMEMBER____ THE FRONT DOOR WHEN I LEFT HOME THI...
15.I’m sorry I didn’t remember____ the front door when I left home this morning.
A.to lock
B. locking
C. to have locked
D. to be locking
15.I’m sorry I didn’t remember____ the front door when I left home this morning.
A.to lock
B. locking
C. to have locked
D. to be locking