Many teenagers in America can hear no better than 65-year-old people do.请问do的意思

Many ads __________________ specifically at teenagers in the modern world.Many ads __________________ specifically at teenagers in the modernworld.(aim) many teenagers think their 根据首字母填空：Many teenagers feel that the most important peopie in their l___are their friend? Many teenagers in America can hear no better than 65-year-old people do.请问do的意思 Many teenagers choose to keep in touch on line they don't meet face to face 合并为一句话, many ads are aimed------(special) at teenagers. Many teenagers have an u____ diet. Many teenagers have hobbies.课文翻译 teenagers 这些空咋填Should teenagers (ask) to move out when they start working? In many Western countries, teenagers (allow) to move out at sixteen or seventeen. Their parents believe that they should (educate) to take care of thems Am still in China for many years中文 I am afraid______(speak)in front of so many people. 1 This primary school is located in very pleasant s______2 Many teenagers turned to c_______ when they dropped out of school. It is said that many( )(America) teenagers will come to watch the 2014Youth Olympic games in 南京括号内用正确的词填 Many teenagers have hobbies .But sometime these hobbies can get ______ of schoolwork.A,in the way B,out of the way选哪个?为什么? Now many teenagers in China perfer to regard problems as challenges.这句话里面的to加不加,如果应该加的话, many advertisements are a__________ specifically at teenagers 填什么? Many teenagers study hard.是属于什么句型的?