这里in应该是副词,trade in 表示交换,以旧换新。双介词,英语里也是有的,如:people from around the world.
回答于 2022-06-24 11:25
people who own a dog is increasing 和A lot of people who own a dog is increasing是错句。要用are.The number of people who own cars is increasing. 这个is指得是the number, 这个数量。The number of people who own cars are rich。 这里要用is.
回答于 2022-06-24 11:00
这不是很简单么,up 表示上升。from 是从哪里开始上升。可以理解为:和2013年的682亿美元和2012年的825亿美元相比,去年上升到922亿美元。
回答于 2022-06-24 10:56
1. I found him finished the homework. (错) I found that he had finished his homework. (对)2. I saw him finish the homework (对) I saw him finished the homework (错)3. 过去分词作宾补,对是否是及物动词的过去分词没有限制。 如:I found him killed. (kill及物), I saw her gone. (g...
回答于 2022-06-23 18:05
意思是决定一个人的职业能否成功的,对职业有决定性的。比如:a career-defining speech. 一个决定事业能否成功的演讲。
回答于 2022-06-22 19:33