–Your bedroom is dirty. Please tidy _____ up.-Ok, mum.A. it B. its C. them
________ a lot of trees in this area, but now we can see a tall building instead.
---Whose purse is it? ---If it isn’t yours, it must be _________.
Neil often _______a lot of money _________books.
The sign “No Smoking” can be seen ____.
She, _______ her mother _________cooking very much.