They check both the quantity and quality of materials used. 他们检查所使用材料的数量和质量。这句中的 used 是过去分词作定语修饰名词 materials 吧！这从它的翻译也可以看出来。我要请教的是：这个作定语的过去分词 used 可以放在前面吗？
...nbsp;a deep love for their own language and carry large chunks memorized poetry in their heads.这句话主要是后半句不懂， carry large chunks memorized poetry in their heads....
Suddenly the man who followed fell over a stone. He hurt his foot badly and called : “ Hey, Bill , I’ve hurt my foot.” Bill continued straight on without looking back. 此处的followed是不及物动词还是及物动词？
后面还接了动词？
People go on asking these same quetions because the subject really does interest and ___ them. A. confuse B. bewilder C.puzzle D.perplex请问老师这道题应该选啥？我怎么感觉除了A都可以选。
If
Mr Musk is right that self-driving is the future of getting around, concerns
about data-gathering and national security are bound to rise.和I'm afraid that...之类宾语从句句意有点差别。也按宾语从句理解么？谢谢各位老师！
请教老师们，When most of us get a text message on our cell phone
from an unknown person, we usually say＂sorry, wrong number!＂and move on. 此句中的直接引语前需要加逗号吗？若不需要，为什么？和平时一般的直接引语有什么区别？
I had made of the hillside villages, and I could see
this wall representing the village of Lycovrissi.请教老师 made of 的意思，这里是表示“了解”吗？翻译为“我知道山上的村庄”对吗？谢谢老师！
Most first-year student
welcome this increased independence, though
many also find that living away from home, family, and friends can introduce
unexpected challenges. 请问这里的though可否换成but？
...ms, in which she often makes her
family members______, are an affectionate and incisive representation of the
African American experience.
A. are her subjects
B. her subjects
C. are subjects
D. which her subjects
为什么答案是B，不用加任何的成分在前面呢？