请问老师们，It happened while he was living in Beijing和It happened while he lived in Beijing是不是没有区别啊？另外He was finishing his work at 6yesterday.这个表达可以吗？是表示他昨天下午六点即将完成工作的意思吗？
Walking and golf increased in popularity during the 1980s. 在20世纪80年代越来越多的人喜欢上了远足或是打高尔夫球。请问这句中的 walking and golf 可改为 walk and golf 或是 walking and golfing 吗？这样不是更对称一些吗？谢谢！
...,she was vere surprised to seeme."Is it necessary (必要的)for you to come here on foot? Why don't you drive your car here?" she asked. "Because I want to take more exercise," I answered. "Why do you come on such(这样的)a rainy day?""I...
...能去掉：The Internet
service is better than what we bargained for. The workyou did
today is much better/worse than what you did last week.Mr McGregor's
remarks are far worse than what Edwina Currie said about eggs.This food is so
much better than what they usually get.What is new is not
necessa...
It was clear to me that all computer would work this way someday.It happened to me that I was away when he called.Please hand the ticket to the ticket collector.She is the woman who lives next door to us.She is friendly to me.John suggested to Bill that they go hiking the next day.Sometimes they cal...
The companies are working together to create________they hope will be the best means of transport in the 21st century.A.which B.that C.what D.whocreate后面跟的是宾语从句吗, what they hope又是什么从句， 为什么三个谓语动词只出现了一个连接词呢?
She would give you the aid determining what you would buy. 请教老师，aid 和determining 之间没有逗号，所以determining 是the aid的定语？还是，determining 是谓语动词would give的伴随状语？谢谢老师。