【正文】 h his family. (p52, B4) to test your sense of observation to test your ability of shortterm memory to test your ability to highlight the language points Guess 1. Amateur astronomer David Bates ___________at the moon through his telescope last night when he got a big surprise. (p45, B2) 2. While she ____________ for a taxi outside the studio, she met Sam Parrish, who is two metres tall. (p45, B2) 3. They ___________ out of a spaceship. (p45, B2) 4. When he _____________ in the capsule, he took photographs of pla earth. (p43, B2) was looking was waiting were getting was orbiting 5. As a result, more people _________ private health insurance. (p9, B2) 6. It collects information about how industry ___________the environment and gives this information to newspaper. (p39, B3) 7. I ______________ a threatening weapon. (p22, B4) 8. A third report came from Li Xiaohe, who ___________ the lake with his family. (p52, B4) are using is damaging am not carrying was visiting 用所給動詞的適當形式填空 1. I___________ (play) puter games at ten last night. 2. Jim’s family ___________ (have) supper when I came in. 3. It ___________ (rain) hard at this time yesterday. 4. What _____ you ______ (do) while I ___________ (make) a model plane. 5. He ____ just ________ (leave) when the telephone rang. was playing were having was raining were doing was making was leaving 以上我們已經(jīng)通過歸納總結(jié)和練習對本課的語法內(nèi)容有了一定的了解，下面就讓我們根據(jù) 之前練習的考察情 況進一步選擇講解 該語法項的重難點。常和表示過去時間的詞組或 從句連用。 (1) 過去進行時表示 過去某時間正在進行 的動作或持續(xù)的行為 ， 常和表過去的時 間狀語連用 。 He hurt his leg when he was riding a bike. 他在騎自行車時把腿摔壞了。 表示背景的句子通常用過 去進行時，而另一個句子則用一般過去 時。 was making表示正在做衣服的過程，如用 made則表示這一動作已結(jié)束，做衣服的 動作已結(jié)束與 cut her finger就沒有聯(lián)系。 注：下列幾類動詞通常不用過去進行時。 一 、單選 1. What ______ from three to four yesterday afternoon? A. have you done B. had you done C. did you do D. were you doing 2. — I call you yesterday evening, but there was no answer. — Oh., I’m sorry I _____ dinner at my friend’s home. A. home B. had C. was having D. have had 3. My mother _____ while my father _____TV. A. cooked。 was watching C. was cooked。 watched 4. When I got home, my son _____ the music. A. am listening to B. listened to C. was listening to D. was listening 5. We heard a cry when we ______ TV last night. A. were watching B. would watch C. watch D. watched 6. She asked him whether he _____ back for lunch. A. e B. was ing C. came D. had e The Past Perfect Tense 過去完成時 1. He had had lots of jobs. 2. By nine o’clock last night, we had got 200 pictures from the spaceship. 3. I had been at the bus stop for 20 minutes when a bus finally came. 4. I returned the book that I had borrowed. 5. Other posers had written symphonies before Haydn, but he changed the symphony into a long piece for a large orchestra. (p22, B2) 6. By the time he was 14, Mozart had posed many pieces for the harpsichord, piano and violin, as well as for orchestras. (p23, B2) 7. After they had known each other for many years, Beethoven said, “He is a good poser, but he has taught me nothing.” (p23, B2) to test your sense of o