2.Tea,the most popular drink in the world was invented__________.　

(用方框内适当的词组填空。)　

by accident　divide...into　fall into　aim at　in the end　according to　prefer...to　

1.__________an ancient Chinese legend,the emperor Shen Nong discovered tea.　

5.invention　后面的谓语用了is，所以此处用单数。　

●Exercises for phrases　

(短语专练)

4.produced　从句的时态要和主句保持一致。　

3.mistake　by mistake意思是“错误地”。　

2.batteries　收音机不工作了，可能是“电池”用光了；注意应用复数形式。　

5.I think the most helpful i　　(发明) is computer.　

答案：tury　century相当于a hundred years。　

4.He noticed that the leaves in the water p　　(发出) a nice smell.　

3.The potato chips were invented by m　　.　

2.This radio doesn’t work.Maybe the b　　 are run out of.