The paper ox my grandmother _________ for me is my most valued birthday gift.

There is still much to discussWe shall，______，return to this item at our next meeting

mes smiles around the world ________ befalse, hiding other feelings like anger, fear or worry

bits, _________ formed, are difficultto get rid of

Our classroom _____________ every day.—So it is. It’s our duty to keep it clean and tidy.