【正文】
se it. — Miss Li. She (keep) it for a week. 3. The old man (die) last summer. He (die) for eight months. 4. Father (cook) when I got home. 5. Mr. Smith told us he (show) the guests around the factory. Keys: 1. would visit 2. has kept 3. died, has been dead 4. was cooking 5. would show 或者 had shown 6. In winter when your clothes (wash), it is not easy to get them dry. 7. — the twins (return) yet? — Yes. They (have) a rest in the room now. 8. It (rain) but it (stop) now. 9. All the children (keep) quiet though their teacher was not there. 10. The boy (read) a story book now. Keys: 一 、 1. A do some washing 洗衣服,它的否定形式前面要加助動(dòng)詞 do來(lái)完成 2. B by+時(shí)間段,是過(guò)去完成時(shí)態(tài)的標(biāo)志 3. B how long 提問(wèn)一般是完成時(shí) 4. A have been? 去過(guò)??很多次了 5. D 從 tomorrow 可以知道用將來(lái)時(shí)態(tài) 6. A sound 在這里