【推荐1】Some language experts believe that 10,000 years ago, when the world had just five to ten million people, they _________(speak) perhaps 12,000 languages between them. (所给词的适当形式填空)

【推荐2】Generally ________(speak), people in China prefer to stay in the city after they retire. （所给词的适当形式填空）

【推荐3】__________ (speak) with your mouth full of food. It is bad manners to do that.(所给词的适当形式填空)

【推荐1】She ________ no sooner _________(get) to the office than she got down to writing the report. （所给词的适当形式填空）

【推荐2】When I got to the station, the train __________________ (leave). (所给词的适当形式填空)

【推荐3】By the time I arrived at home, Cathy ________(stuff) herself with bread and butter. （所给词的适当形式填空）