The teaching building ______ for the whole summer. A: will lock up B: will have been locked up C: will be locked up D: will have locked up

Greatly agitated, I rushed to the apartment and tried the door, __________ to find it locked.

- Some of the magazines are missing. Did you close the door before leaving?- Yes, I remember ___ it, for it remains ___. A: to close; locked B: closing; locked C: closing; locking D: close; being locked

Two-thirds of the freshwater on Earth is locked in ______.

I remember ______ the door before I went to bed. A: locking B: to lock C: to have locked D: being locked

The thief tried to open the locked door but ________.

Which date was Wuhan locked down?

Harry ______ the car before he entered the supermarket. That was why his car was stolen. A: had not locked B: is not locking C: has not locked D: was not locking

Hewentintotheroomand_____thedoor. A: locking B: locks C: locked

He didn't want to see anybody, so he spent six hours ______ in the small room. A: locked B: to lock C: locking D: being locked