We know workers use __ trucks to make food fresh.(refigerate)

We know workers use __ trucks to make food fresh.(refigerate) in factories workers use it to melt Does anybody know how to write a summary in English?Especially which tenses should we use? We don't know how to use this computer?的同义句 our ignorance is not so vast as our failure to use what we know 怎么翻译 How did we get here? I use to know you so well 什么意思 We may not know ( ) to use the telephone in the country we are visiting.We may not know how to buy完型填空 we would have to use our brain think about them or do more we know 什么意识 翻译 Can you let me know where we are with this meat,how much we stll have to use: Workers also use fire to make glass.Workers useWorkers also use fire to make glass.Workers use fire to make glass_ _. we do not know when man first began to use salt,but we do know that it has been used throughout his这是什么意思! we ()(use) computers everyday 汉译英 你知道这把椅子的其他用途吗?Do you know any other use we can ( ) ( )the chair?你知道这把椅子的其他用途吗?Do you know any other use we can ( ) ( )the chair? 完整的问题：There are 41 workers making toys .we know that for each worker ,they can make 8 toys A per hour ,make 4 toys B per or 3 toys C.And we know 5 toys A,3 toys B and 1 toy C are one set .So how many workers should make A.,B and C respect 七下英语填空_____Earth moves around the sun.When can use we know who _______ winner is? #英语语法问题-定语从句-请问这个空里填哪个引导词?we have few teachers ____ know hor to use computer. we must know the use the people___waste things A make Bmake of C make good of Dmake from we really want to know what use can be made of this material.这句话是什么从句,怎么翻译?