The Chinese abacus(算盘), officially ______ as a cultural heritage at the 8th Annual UNESCO World Heritage Congress, is another symbol of Chinese wisdom.

You’d better book the tickets in advance; _______ we may miss the concert

We were astonished____the temple still in its original condition.[ ]

We’ll have to find someone tohave a look at the door It won’t _______

Beijing is _______ the north of China and Japan is ______the east of China.