The Chinese abacus(算盘), officially ______ as a cultural heritage at the 8th Annual UNESCO World Heritage Congress, is another symbol of Chinese wisdom.
Tom killed the cat. I’ll ask him why _______.
He didn’t tell me ______ he would come to my party.
--- Smoking is bad for your health. ---Yes, I know. But I simply can’t ___.
The boy insisted ______ in a nearby school.
A new school was _____ in the village last year.