Yesterday, Jack was asked to make _______ speech in ______ front of the classroom to report what he did during the National Day.
–Your bedroom is dirty. Please tidy _____ up. -Ok, mum. A. it B. its C. them
--- Hi, Sunny, your new flat is so nice! --- Thanks, _____.
--Good news! They will __________ on May Day holiday. --- Sounds exciting!
---Do you know _______? ---Sorry, I have no idea.
---There _____ anybody in the room. --- Why do you say so? --- Because the door is locked.