【正文】
out their the mistakes. Work on Self Check 2: Ss to rewrite the sentences using the passive voice. : 復(fù)習(xí)一般過去時(shí)態(tài)的被動(dòng)語態(tài)的句子結(jié)構(gòu)。 復(fù)習(xí)將主動(dòng)語態(tài)句子變?yōu)楸粍?dòng)語態(tài)句子的過程。 the afternoon, there was a (suddenly) heavy fall of snow. think the telephone (invent) before the car.