It is a spectacular __________ as the fireworks are set off and light up the who sky during the Spring Festival.

The managing director took the _____ for the accident, although it was not really his fault.

Working hard is not only a_____ of a great success, but is among the essential requirement.

Since the beginning of this term, I’ve made _____________ in my English study.

26. He asked us to write an article in_____________ of pollution caused by the nearby factories.