I put the books ___________ I have read twice in the box. I want to read them again some day.
We live _______ a wonderful world _______ a lot of amazing things.
I had ______uncle. He said he saw ______UFO the other day.
--- This term, I plan to be the top student in our school.--- .
--- What’s in your bag?--- In it two books.
--- ?--- The one on the desk.