-Thank you very much ________ helping me to repair my old computer.
-That’s all right.Thanks ________ your letter, I can come in time and repair it for you.
---Our English teacher wanted you to rewrite your homework.
---I can just imagine him ______ that.
---Where is Tom?
---I last saw him ______ in the library reading.
--- Are there many people present at the meeting?
--- Yes, ______ 100 people.
--- Do you go to work by bus?
--- ______.