人教新课标必修3 Unit 4 Astronomy the science of the stars Grammar 课件（共36张PPT）+素材 （2份打包）
U4 Grammar quiz.doc
U4P4 Grammar.ppt
　　用适当的连接词完成句子。
　　1. Exactly _____ the potato was introduced  into Europe is uncertain, but it was probably around 1565. (2014大纲)
　　2. I think _____ impresses me about his painting is the colours he uses. (2014天津)            
　　3. _____ we understand things has a lot to do with what we feel. (2015北京)
　　4. _______ Li Bai, a great Chinese poet, was born is known to the public, but some won’t accept it. (2015江苏)
　　5. It is often the case ______ anything is possible for those who hang on to hope. (2016江苏)
　　6. Your support is important to our work, _________ you can do helps. (2016北京)
　　Read the passage and choose the suitable clause for each blank.