精英家教网 > 高中英语 > 题目详情
The last half of the nineteenth century _____ the steady improvement in the means of travel. 
A.has witnessedB.was witnessedC.witnessedD.is witnessed
练习册系列答案
相关习题

科目:高中英语 来源:不详 题型:单选题

  
30.When you finish your work, don’t forget to put the tools back where they ________.
A.areB.will beC.wereD.had been

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

--- What’s the problem, sir?
--- You         at least at a speed of about 100 miles per hour.
A.are drivingB.droveC.were drivingD.have been driving

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题


24.He rose to speak, _________ to with great attention.
A.and was listenedB.and listenedC.listening D.to be listened

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

--Johnson, come and look at the sea! It is beautiful, isn’t it?
-- Absolutely! If only I ______ here by the sea.               
A.livedB.liveC.had livedD.will live

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

How can a country where teachers devote all their class hours to training students to take exams _____ to compete in the technology race with other countries.
A.being expectB.expectingC.expectedD.be expected

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

It's reported that by the end of this month the output of cement in the factory _____ by about 10%.
A.will have risen B.has risen C.has been risenD.will be rising

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

Sound travels in the same way as light _____.
A.travel B.has done C.traveled D.does

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

The first use of atomic weapons was in 1945. and their power _____ increased enormously ever since.
A.isB.wasC.has beenD.had been

查看答案和解析>>

同步练习册答案