It is common knowledge that computers are super calculators .这句话是定语从句吗?那么that充当什么成分呢?

knowled is power. it is common knowledge that同义词 高三英语作文语法it is common for us students还是it is common for our students?还是it is common for we students? “It is very common for student's marks to It is common to overlook what is near by keeping t It is common knowledge that honesty is the bestIt is common knowledge that honesty is the best policy.这个句子中common 前为什么不加a（还是an啊?这个句子应该是需要加冠词的吧? It is very common that former soldiers have difficulty in adjusting to civilian 英语翻译A cold is a common illness.It ofen stats with a sore____.throathandlegarm in china,it is very common for people who have ameal together It is a very common thing for a person to have a good friend.的翻译 The T-shirt______(it) is made of common cotton,but sell well. The sky here is the common blue,but it seems bigger somehow.的翻译 It is very common for students' markes to fall这句话怎么翻译 it is (typical)of students to stay up reading.为什么不能common It is common knowledge that computers are super calculators.that 引导的是什么从句? It is 什么common knowledge that computers are super calculators什么是冠词 it is common knowledge that等于哪两个单词RT放在句首 英语学习：it is common knowledge that….（ ……..是常识）.这个需不需要在it is 后加上a 变成it is a common knowledge that….