We doubled the child tax credit是什么意思尤其是credit

We doubled the child tax credit是什么意思尤其是credit 英语句子解析the chances that we'll gain doubled efficiency with less time wasted are very good.the chances that we'll gain doubled efficiency with less time wasted are very good.doubled不是动词吗?放在这里是什么结构啊?还有wasted in the ______,we helped the child find his parents 英语翻译 the population doubled from1960 to 1999 怎么翻译? The number of students in this school has ______ since 2008.A.had doubled B.has doubled C.doubled D.double according to the latest report ,the output of car has__________in the past 10 monthsA more doubled B more than doubled C doubled more than D doubled than为什么啊more than 怎么用阿？ 用the number of 或 a number of 填空1.（ ）cares on the roads has doubled over the past few years in our country.2.We have been friends for ( )years.理由要说 we like found the lost child close to campus we finally found the lost child close to campus 那个是对的? We often go to the ___ (child) Palace to learn the violin. 连词成句：child,we,the,with,the,of,villagers,help,fould questions about the child labor.what is child labor?why do they have to work?where do they work on?how can we slove the problems about the child labor?what should we do? We are poor child是什么意思 To mack our school more beautiful,______.A more trees need to be plant.B our school should be doubled in size.C we should try to keep it clean.D the statue must be pulled down.改选哪个呢.... We look at life once,in child;the rest is memory我想知道什么意思 when we got home.the child has a __ left 填什么. The poor child should not （ ） and we should help him how often should we take the medicine for a child?这句英语的意思? The child ____（迷路）,and we helped him find his parents.