Question

I remembered _____ the door before I left the office, but forgot to turn off the lights.

A．locking

B．to lock

C．having locked

D．to have locked

Answer 1

B

试题分析：考查不定式做宾语，remember to do记得去做…,remember doing记得做过…，句意：我记得离开办公室要锁门，但忘了关灯。选B。
点评：有的动词既可以接动名词也可以接不定式做宾语，但含义不同;如：forget to do忘了去做，forget doing忘了做过，注意区别。