The Chinese abacus(算盘), officially ______ as a cultural heritage at the 8th Annual UNESCO World Heritage Congress, is another symbol of Chinese wisdom.
To our surprise the stranger _____ to be an old friend of my mother’s.
_____ in the garden for an hour, the girl suddenly realized she had forgot locking her car door.
---We should forgive him for making such mistakes. ---You are right,_______that he is only a new hand.
The boss suggested to Jessica strongly that she should have a good time, but ______didn’t help.
—Do you want a hand with those bags? — ______.