【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(dāng)形式填空。 復(fù)習(xí)將主動(dòng)語(yǔ)態(tài)句子變?yōu)楸粍?dòng)語(yǔ)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!