【正文】
information about an invention you would like to know more about and write sentences below. Invention: When: Who: Purpose: Step 2 Exercises 用所給單詞的適當形式填空。 復習將主動語態(tài)句子變?yōu)楸粍诱Z態(tài)句子的過程。 look up to, by mistake, daily activities, It is said…, all of a sudden, fall into, at the Olympics 謝謝!