DON NOT forget to [ ] the foor if you are the last person to leave[ ]里面填的是lock,应该用什么时态

问题描述:

DON NOT forget to [ ] the foor if you are the last person to leave
[ ]里面填的是lock,应该用什么时态

forget to do

lock.
如果你是最后一个离开的人,请不要忘了锁上门.
forget to do.