【正文】
D. told us 用括號(hào)內(nèi)所給動(dòng)詞的正確形式填空 39。Unit7 Grammar 2 When to use the active voice? ★ It’s important to know who performs the action. The ORBIS doctor do operations on the plane. When to use the passive voice? ★ It is obvious(顯然 ) who performs the action. ★ We do not know or do not want to know who performs the action. ★ We think the action is more important than the person who performs the action. Be is, am, are was, were + done +by sb What do they do every year? 1. Charity activities (plan/ to help the poor). 2. Leaflets (hand out/ to people in the street/ volunteers). 3. Toys and CDs