若要用英语表示“使用前”，怎么写？before use, before using, before being used？所有设备使用前都要消毒。All equipment must be sterilized before use.All equipment must be sterilized before using.All equipment must be sterilized before being used.这三句都对吗？
...ake sb to do sth 是错的，应改成 make sb do sth。但如果动词是 be 呢？比如：(1) make sb happy(2) make sb be happy(3) make sb to be happy第(3)句肯定是错的，第(1)肯定是对的，但第(2)呢？对还是错？我之所提出这个问题，是因为我看到了这样一个句...
...This will lead to a far greater diversity of urban landscape designs than are apparent today.参考翻译：这将带来远远丰富于今日的城市景观多样性。疑问：原句中“than”后面有没有省略了什么成分呢？为什么是“than are apparent”这么奇怪的结构？如...
...出现了2个小问题，请老师解惑：1. The other reason why costs
are so high is the restrictive guild-like ownership structure of the
business.一般看到的句子都是关系词作主宾表语或者时间状语、地点状语，但这里从句costs are so high在意思上很完整了，关...
...ad something strange in them, so that I felt rather uncomfortable."How old are you? Twenty-three?"It seemed to me that the question was beside the point. It was natural that I should take chances; but he was a man whose youth was past, a stockbroker with a position of respectability, a wife and two ...
...or giving help in learning English.2. I would like to give you some advice on your English study.除去 advice on 是固定搭配这种说法外，还可以从其他方面来解释为什么一句用 in，一句用 on 么？比如说，逻辑关系，或者是文化差异方面等，谢谢！可能...
These Inca roads were made up of two north-south
highways and many small roads crossing the mountains east to west.上面这句摘自高中英语新教材人教版必修一p27。请问句中的 were made up of 可以换成 were made of 吗？
...看到这么一组句子：1）The tap
water is not fit to drink ?说不能be
drunk.2）Do you
have any letters to be typed说不能to
type.3）The next
thing to consider is to find a nice place to live.说不能to
be considered.请教老师，书上说法是否正确？第一句是否可以用be dr...
This country is in the social transformation period now, and the social
transformation is destined to bring the deep changes of female self-value as
opposed to women's traditional social roles.as opposed to（而不是）是对female self-value还是对the deep changes of female
self-value来说。...