Unit 3 練習(xí). 下面有幾組易混詞語(yǔ)，請(qǐng)從中選擇適當(dāng)?shù)囊豁?xiàng)填空。 borrow, lend1. May I _your car?2. Can you _me some money? forget, leave3. Sorry! Ive _my homework at home.4. Sorry! Ive _your phone number.from now on, from then on5. _they lived a happy life.6. _Ill be busy with my work.at a time, for a time 7. Youd better buy one hamburger _.8. He kept the stamp _and then gave it to John. 請(qǐng)將下列各句改為被動(dòng)語(yǔ)態(tài)，每空一詞(含縮寫(xiě))。1. They have washed the dirty clothes. The dirty clothes _by them.2. Parents should allow fourteen-year-olds to choose their own clothes.Fourteen-year-olds _ to choose their own clothes.3. Must we repair the computer now?_the computer _now?4. They havent put up the notice on the wall yet.The notice _on the wall yet.5. What should we do to help them?What _by us to help them?6. Has Tony cleaned the classroom?_the classroom _ by Tony?. 請(qǐng)用括號(hào)內(nèi)所給單詞的適當(dāng)形式填空。The first bicycleBicycles (1)_(share) a common advantage with the automobile over publicmodes of transport. The first bicycle was not like the bicycle we see today. The first bicycle (2) _ (invent) by Baron von Drais in the 1810s. It was a (3) _ (walk) machine made of wood. It had no pedals （踏板）. People (4) _ (push) their feet against the ground to move forward. It helped people get around parks and gardens. Now bicycles (5)_ (be) widely (6) _ (use) by people all over the world. 請(qǐng)根據(jù)以下提示寫(xiě)一個(gè)至少五句話的小段落，注意用到被動(dòng)語(yǔ)態(tài)句子。世界上第一部手機(jī)于1973年由馬丁·庫(kù)珀(Martin Cooper)發(fā)明。現(xiàn)在，手機(jī)在世界上被廣泛使用，并且可以隨身攜帶。中國(guó)已經(jīng)有5億多人使用手機(jī)。我們相信，越來(lái)越多的手機(jī)將會(huì)在未來(lái)投入使用。_參考答案：. 1. borrow 2. lend 3. left 4. forgotten 5. From then on 6. From now on 7. at a time 8. for a time. 1. have been washed 2. should be allowed 3. Must; be repaired 4. hasnt been put up 5. should be done 6. Has; been cleaned. 1. share 2. was invented 3. walking 4. pushed 5. have been / are 6. used. One possible version:The first mobile phone in the world was invented by Martin Cooper in 1973. Now mobile phones are widely used in the world. They canbe carried everywhere easily. In China, they are used by more than 500 million people. We believe that more and more mobile phones will be used in the future.