---You needn’t take an umbrella. It isn’t going to rain.---Well, I don’t know. It __________ do.
Beijing was attacked by such a terrible sandstorm ______few citizens had ever experienced before.
The country life he was used to______greatly since the opening policy.
He______ on this paper for ten minutes but he______only about sixty words.
______fashions differ from country to country may reflect the culture difference from one aspect.
Mr Wang______an article on how to improve spoken English last month, but I don’t know whether he has finished it.