He ___ studying for hours. A. has been B. has C. is D. was 相关知识点: 试题来源: 解析 A。has been studying 是现在完成进行时,表示从过去某一时间开始一直持续到现在的学习动作。has 后面缺少动词。is 和 was 分别是一般现在时和一般过去时,不符合题意。所以选 A。 反馈 ...
句中“ettective” 应改为 “effective”,整句话 “Studying for more hours is less effective.” 意思是 “学习更多的小时效果较差。” 句中“dllihat” 应改为 “but”,“belioue” 应改为 “believe”,修改后的句子 “Your mind will try to tell you that you don't need to write everything down...
One of the major environmental problems is the limited freshwater supply in many areas of the world, which means that we need to find effective technologies to provide people with enough drinking water. One solution is to improve the technology for removing salt from seawater, which could allow ...
However, they found that people without such genes watching more than four hours of TV every day were also at the greatest risk of heart disease. People spending 2 to 3 hours a day watching TV had a 6% lower risk. And those who watched less than an hour had a 16% lower risk. The ...
【3】Which of the following sayings can best summarize the passage? A. A good beginning is half done. B. Pride comes before a fall. C. Practice makes perfect. D. Where there is a will, there is a way. 点击展开完整题目 查看答案和解析>> 科目:高中英语 来源: 题型: 【题目】假定英语...
(A) 1. Andrew spends long hours studying every night. He is a student. A. hard-working B. honest C. lucky D. polite( A )2. Could you tell me we should take a bus or not? A. whether B.if C. when D. how(A)3. She always new ways of doing things. A. tries out B. ...
3.Making ___(调查) help people know more about things around them. 4.I hear that they have ___(翻译) Harry Potter into several foreign languages. 5.The parade has been ___ (结束)for two hours. 6.In America ,women didn’t get the ___(权利) to vote until 1920. 7.The village...
3. 表示“时间、重量、长度、距离、价值”等的名词的复数做主语时,谓语动词通常用单数形式,这是由于做主语的名词在概念上是一个整体,如: Thirty minutes is enough for the work. 20,000 dollars is not a small sum of money. 4. 若英语是书名、片名、格言、剧名、报名、国名等的复数形式,其谓语动词通常...
“Listen,if it isn’t enough, I can try and get some more.Just tell me how much it costs.” A well-dressed man heard it and asked.“What kind of a miracle does your brother need?” “I don’t know.” she answered with her eyes full of tears.“He’s really sick and mum says...
“. The problem of studying, 66 enough to start with, becomes almost 67 when you are trying to do 68 in one weekend. 69 the fastest readers have trouble 70 that. And if you are behind in written work that must be 71 , the teacher who accept it 72 late will probably not give you...