Specifically, the authors found that the modern era is unique in the extent to which creatures with larger body sizes are being preferentially targeted for extinction.请问为什么是to which,而不是for which？
...充当成分。上次请刘老师分析的两个句子：
Stay where you are. / Stay where you live.
从属连词where都充当了成分。那么when，while引导的状语从句呢？如：
When the teacher came in, we were talking.
when在此句中充当成分吗，充当什么成分?或者...
语法填空习题里出现了这样一个空：These are called polymorphic. "polymorphic" means______
ability to take different forms. 答案给的是 the，请问此处为什么不能填 an。前文也并没有出现 ability。一般来说语法填空里填定冠词都是前文有出现同样词...
请教曹老师!So if you are overpaying for print, you could feel like you were helping.1. 为什么这里的like后面可以接一个句子?like一般分析为介词或者从属连词；既然like后面为一个句子，那是否就可以认为feel为一个实意不及物动词，like为一个从...
...e 一般疑问句？(2)
here是什么词性？3.
Many of the old buildings are still there. 和 It was my first time there. 这里there是什么词性？4.
We decided to go to the beach near our hotel.
这里near是介词吗?
请问这句话为什么可以写为：They risk losing their homes because they can no longer keep up the repayments.而不能写为：They risk losing their homes because they can no longer carry on the repayments.但是可以写成：They risk losing their homes because they can no longer carry o...
_______ we have not made any arrangement for our picnic. A. So far B. Up to now C. Thus far D. As yet为什么这题不选A呢？我们老师给的解释是在否定句和疑问句中通常用(as) yet，但我觉得说服力不够呀。平时so far也在否定句中看到...
-Good evening. I _____to see
Miss Jessic.-Oh! Good evening. I'm
sorry, but she is not in.A. came B. come
C. have come D. had come给出的答案是have come，为什么会用现在完成时呢？自己做题的时候就只能排除一个had come。came和come又该怎么排除呢？
...d where you’ll be and how important it is for you to stay out late. Then they just might say, “Yes. ”这个括号内给的答案是D.the other，请问为什么不是用 B.othersA.another B.others C.the others D. the other
...泛指所有的“死者”，不指单个的“死者”：Some festivals are held to honour the dead or to satisfy the ancestors, who might return either to help or to do harm. 有些节目是为了纪念死者，或使祖先得到满足，因为祖先们有可能回到世上（给人们）提供...
...sp; (celebrate ) ,with the aim of increasing public awareness about roles of museums in developing society, museums are an important means of cultural exchange. 这里面的答案是 is celebrated 和 because. 我自己做的...
...as schools in Ireland.这里for是什么成分？去掉可以嘛？Indians are the world's biggest book worms, reading on average 10.7 hours a week, twice as long as Americans, according to a new survey.这里为啥没有for？
【John6:13】So they gathered them and filled twelve baskets with the pieces of the five barley loaves left over by those who had eaten. 这句的left over是哪种用法?
是名词剩饭?
还是过去分词短语 left over by those who had eaten作定语修饰the pieces of the five barley l...