单射满射双射

No matter how frequently ______,the works of Beethoven always attract large audience.a、performingb、performedc、to be performedd、being performed 43.No matter how frequently _A_,the works of Beethoven always attract large audiences.A performed B performing C to be performed D being performed为什么选A? what do you do with your hair?同义句转换. each与 every的区别 what can you do with your eyes?(翻译) talk about是什么意思,分别神马意思 请问talk about 棒球在沙发上吗?（）the（）no the sofa Usually she watches TV in her c____ sofa at night. The fact remains that no one knows the aThe fact remains that no one knows the address.请问一下这个句子是定语从句还是同位语从句. the fact remains that the business you work for feels threatened.这句话remain怎样理解,怎样翻译 今年5月18是小明3岁生日,那天正好是星期日,你知道小明出生那天是 sit in his seat.为什么用in,平时不是sit on吗 用on和用in有什么区别? sit on与sit in的区别 It's really something 是“真了不起”的意思? The Olympic Games ____ held every four years.空格处填is还是are呢? The Olympic Games()every four years A.are held B.hold C.are holding为什么选择A It is said that he was caught.One____so,but in fact he wasn't. The Olympic Games______held every four years.横线中应该填“are”为什么?The Olympic Games______held every four years.横线中应该填“are”为什么不是填“is”？ ①It is a fact that Stuart is ugly.与②It is suggested that more modern science and technology be added to textbooks.为什么①that引导的是主语从句,a fact 在整个句子中做什么成分?而②得that却引导的是宾语从句,怎么 灵活 诚实 凉快 暖和 保留 经常 的反义词 反义词：诚实对 诚实的反义词是啥 不甘落后的反义词急啊! 诚实的反义词是什么 Today there are no dinosaurs的同义句Today there ___ ___dinosaurs My friend Lucy wasn't at home yesterday.(用Lily改为选择疑问句) 翻译：“in spite of the fact that you have just mentioned” sit at desk 和sit on the desk有什么区别 sit at the table 和 sit on the chair的区别 柔和的反义词, 暖和的反义词是什么