早教吧作业答案频道 -->英语-->
the past few years great___great changes in modern science and technology in ChinaA.witnessB.have witnessedC.witnessedD.had witnessed
题目详情
the past few years great___great changes in modern science and technology in China
A.witness
B.have witnessed
C.witnessed
D.had witnessed
A.witness
B.have witnessed
C.witnessed
D.had witnessed
▼优质解答
答案和解析
答案选B
现在完成时态
现在完成时态
看了 the past few y...的网友还看了以下：
modern和contemporary的区别currentdemographictrends,suc 2020-03-30 …
英语翻译aesthetic feeling has been for much of its mo 2020-05-14 …
the past few years great___great changes in moder 2020-05-16 …
endnote无法搜索web of science我的是X3版本的,怎么无法搜索web of sc 2020-05-16 …
My father got very angry______ A.with that I had 2020-05-16 …
1,连词成句 （1）ask,I,is,may,who,calling (2)her,you,to, 2020-05-16 …
can you tell me where the science building is?这句中 2020-05-17 …
SAT语法部分求助1.The decline in science education durin 2020-05-17 …
WhenTomhadhadSmithhadhadhadhadhadhadmadeSmithrank 2020-06-03 …
英语连词成句1、thesouvenirs,buying,the,alien,girl,gotouto 2020-12-24 …