1.Several new underground lines______to welcome the World Ex

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/24 01:20:50

1.Several new underground lines______to welcome the World Expo in Shanghai recently.
A.have been built B .were built C.are built D.will be built
2.We______eight English songs in the hobby group by the end of last month
A.have learned B.learned C.had learned D.would learn
要答案还有原因

A
recently 是现在完成时的标志,所以要用have +过去分词
其次,这个句子主语是物,要用被动语态.
所以选A
C
by+表示时间的词就是完成时的标志.
by+将来的时间就是将来完成时
by now就是现在完成时
by+过去的时间就是过去完成时
所以,by the end of last month就是过去完成时的标志.选C

welcome the World Expo to welcome the New WELCOME TO THE WORLD 歌词英语详解1.——It's reported that the new underground line has been 翻译：the power lines for the new house are underground everybody wants to rule the world ready steady underground 这 Welcome to the exciting world of network! Welcome the World Expo英语作文 welcome to the London Underground,or as it is commonly known Who found the new world 英语翻译Chinese elements unite the worldThough the 2010 World Ex 英语翻译The report identifies several areas where the World Bank