英语翻译It became extinct shortly after human contact.it指剑齿虎主要是after human contact应该怎么理解

英语翻译It also became a full-fl edged government school.主要是 full-fl edged 是什么? 英语翻译Europe became a “powder keg”,waiting for the spark that Make it explode 英语翻译It was sold in food stores and gradually became popular 英语翻译It became extinct shortly after human contact.it指剑齿虎主要是after human contact应该怎么理解 英语翻译it wasn't until the end of the 18th century that XX became accessible to the general public 英语翻译Riddle's spirit take a keen interest in Harry,who learns it was Riddle who ultimately became Voldemort. it became up to 10 percent stronger. 英语翻译they became very famous in China. 英语翻译became可以改成become吗?为什么? 英语翻译4.they soon became dood friends. 英语翻译about the time that schools and others quite reasonably became interested in seeing to it that all children,whatever their background ,were fairly treated ,intelligence testing became unpopular. 英语翻译It was not until some years after he graduated from college that he became famous for his research in science. 英语翻译In that period it became accepted that studies on interactions between plants without the soil community likely lead to artefacts. 2.She became ill because it was too cold.(改为简单句) She became ill It's twenty years that we (became) friends是用became还是have been 英语翻译Although Tim and Mike come from entirely different backbrounds,they became closefriends.became close friends. It can hardly be disputed that she became a real however ,it became very popular,p__ among young people