to know their parts by heart and never have cause to falterhave cause to falter have后面不是应该用caused?

to know their parts by heart and never have cause to falterhave cause to falter have后面不是应该用caused? one would expect them to know their parts by heart and never have cause to falter.yet this is not always the case.这句话里的one would expect them to know their parts by heart里面有固定搭配吗 by heart是什么用法还有yet this is not a In parts of India,people use their f--- and bread to pick up the food. 请大家帮我想想这句话怎么翻译There are many parts to the business letter — some required, some optional. This week will review those parts and their order. The parts of the business letter follow: hunted for their body parts的意思 英语翻译The Japanses auto companies responded by pledging to purchase 75 percent of their component parts from US based manufactures. one would expect 在句中的用法和作用是不是“理所当然”的意思?比如新概念里的一句课文.one would expect them to know their parts by heart翻译是：人们以为,这些演员一定会把台词记的很清楚.平时没有 Their job is to carry（传送） messages to all parts of the body. 两个to分别是什么用法,速度求解. 3 to 4 parts in 10,000 parts of air In parts of India,people use their fingers and bread to pick up the food.如果翻译不就是：印度人用手指和面包拾起食物吗? They want to let them know how to make money for their own mr.wang pianned to make many parts within 2 hours.there were still 160 parts left when the machine broke down .the efficiency was 20% lower than before .he had to use 20 more minutes to finish all the work .we can know there are ( ) parts in all.并 Some shows help children ____the news from other parts of the world A.knows B.knowing C.to know D.knew parents know their children best and are always in the best position to serve as their teachers汉语翻译 英语翻译1.Most parts of children education are virtually beyond teachers' reaches.It is parents that supplement.Psychology studies have shown us that parents' love sometimes has astonishingly magic power to their children.2.parents might do their Sometimes it's not_to know the parts of a new word to understand it,but it will help you many timesSometimes it is not__ to know the parts of a new word to understand it,but it will help you many times.为什么要填enough?helpful和useful不可以 Some people just don't know how to have fun -----(spend) their free time 英语填空 英语口语问题回答 how do you know that people attach more importance to their health now?