The computer center ，___（open）last year, is very popular among the students in this school. 因为这个非限定从句有一个具体的时间作为状语，所以我认为它是强调动作，而不是现在的状态。所以我认为最佳的答案是having been opened，opened有点...
中国日报网一句话：Having not attended a single one of the extracurricular training classes which parents are keen to put their kids in, the boy is happy to learn independently.请问老师，应不应该改为Not having attended a single one...。非谓语动词的否定应在前面加not...
Save the Children calls breastfeeding one of the best ways to prevent malnutrition.为什么不是这样写呢？ Save the Children calls breastfeeding is one of the best ways to prevent malnutritionis 是省略了？call 引导的是从句吗？
下面的句子是2016年天津卷阅读理解中摘下的：Such start-up fatigue is very real, even if not actually physical, not something in our muscles and bones.请问句子中的not something in our muscles and bones 是什么成分？是同位语吗？
the center of our planetary system was a difficult concept to grasp inthe Middle Ages.A.It isthe sun and not the earthB.Being the sun and not the earthC.The sun and not the earthD.That the sun and not the earth疑惑：这道题上课的时候...
A：Just a moment… Ok, so you currently have the DX405 in all of your rooms. Will you be wanting the same model?B：Yes, please.A：And installation as well?B：Yeah, sometime next month after we finish the remodeling.A：Alright, that should be fine. I’ll get you a quote and email it over.B：T...
When you are near a lake or an ocean , you feel cool .Why ? The sun makes the earth hot, but the air over the water stays cool.The hot air over the earth goes up , and then the cool air over the water moves in and takes the place of the hot air.When you are near a lake , you feel the cool air when i...
...们帮忙分析一下。1. This kind of solar cooker can be used only inthe day time _______ the sun is shining.A when B as C while D since该选哪个？其他选项为什么不能选？2. Thisisthe shop ______ I often buy foodstuff.空白处为什么不是whi...