早教吧 育儿知识 作业答案 考试题库 百科 知识分享

要详解,特别是时态1TowerBridge,oneofBritain’smostfamouslandmarks,attheendofthe19thCentury.A.builtB.wasbuiltC.hasbuiltD.hadbeenbuilt2OutdoorFilmFestival,heldinDecember,isthefirstfestivalinAsiaonc

题目详情
要详解,特别是时态
1 Tower Bridge,one of Britain’s most famous landmarks,______ at the end of the 19th Century.
A.built B.was built C.has built D.had been built
2 Outdoor Film Festival,held in December,is the first festival in Asia ______ on cycling mountain bike documentaries and environmental protection movies.
A.focused B.focusing C.to be focused D.had focused
▼优质解答
答案和解析
第一题选B 很明显用被动和过去时态,要么用现在完成时,要么用一般现在时,排除法
第二题选B 主动,非谓语结构,所以用ing形式