Unit 3同步练习.doc

Unit 3同步练习 I. 将括号中的单词放到下列句子中。 1. I have finished my homework. (already)_.2. He has come back from London. (just)_.3. I have called him. (already)_. 4. Lucy has finished doing her homework. (just)_.5. We have seen the film Avatar. (already)_. II. 用have / has been to, have / has gone to或have / has been in填空。 1. Mr Black _ Tokyo on business. You can leave a message.2. He _ China for five years.3. They _ the desert. They enjoyed themselves very much. 4. The Greens _ Hangzhou for a trip. You can wait and visit them next weekend.5. Lily _ London. She thinks its beautiful. III. 情景交际 根据对话内容,填入恰当的表达,使对话通顺、完整。 Alice: Hi, Tim. Where have you been those days?Tim: I 1. _ Xian. I went there to visit my grandparents.Alice:2. _Tim: No, I went alone. My parents 3. _ Qingdao for a meeting. They wont be back until next week. Alice: Ive heard that your parents 4. _ Qingdao last month.Tim: Yes, they went there again this month.Alice:5. _Tim: Yes, I enjoyed myself very much. I visited some of my old friends. IV. 用括号中所给词的适当形式填空,补全短文。 Many years ago, people knew little about the universe. They 1._ (think) the earth was the centre of the universe. And the sun went around the earth. With the development (发展) of science, now people know that the earth 2._(be) just a planet of the universe. The sun is much 3._(big) than it. And the earth 4. _(go) around the sun. Scientists 5. _(send) spacecrafts to Mars already, but they 6. _ (not find) any life on it. They are 7._(try) their best to discover something new on it. 参考答案：I. 1. I have already finished my homework. / I have finished my homework already.2. He has just come back from London.3. I have already called him. / I have called him already.4. Lucy has just finished doing her homework.5. We have already seen the film Avatar./ We have seen the film Avataralready.II. 1. has gone to 2. has been in3. have been to 4. have gone to5. has been toIII. 1. have been to 2. Did you go with your parents? 3. have gone to 4. went to 5. Did y