It’s polite ______ “Thank you” when you receive something from someone.
Some students are playing football. _______are doing their homework.
We don’t have ______ bread at home. Could you give me _______, please?
---Mr. Black, I find ______ difficult to play the piano well. ---Oh, I think you just need to practice more
The old woman has no children. She lives by________.
_______ has donated much money to the charity .