what they need at present ____(be)science and technology?why the answer is aresorry the answer is IS.Who can tell me why?

What do they need? Good learners think about what what they are good at and what they need to practice more.求意思 14.What they need at present ____ (be) science and technology.怎么填,为什么? what i need is what they What do they need?怎么翻译? What are they good at? what they are staring at? What else do they need?改为同义句What （ ） （ ）do they need? 分析一个英语句子的结构,并说说两个what分别是什么意思.What they have learnt at school cannot meet the need of what what they are to learnt abroad. what they need most （is）money while what we need most （are） textbooks what they need at present ____(be)science and technology?why the answer is aresorry the answer is IS.Who can tell me why? what do they need 的意思尽快啊 what do people need to take when they go out What do they need?变否定句怎么变 What do you think they need m______ Clothes.I think. what do they do at the party What can they do at last? What do they do at the weekend?