Unit 4
1. How does Bob get to school? 鲍勃怎么去学校?
2. It takes about 25 minutes to walk and 10 minutes by bus. 步行大约需要25分钟，乘公交车10分钟。
3. Then the early bus takes him to school. 然后早班公共汽车带他去学校。
4. The bus ride usually takes about 25 minutes. 乘公共汽车通常需要大约25分钟。
5. How far is it from your home to school? 从你家到学校有多远?
6．How long does it take you to get from home to school? 从家到学校你花费多长时间?
7. I ride my bike to the subway station. 我骑车去地铁车站。
8. In other parts of the world, things are different (from the United States)．世界上其他地方与美国不同。
9. It depends on where you are. 它取决于你在哪里。
10. That must be a lot more fun than taking a bus. 那一定比乘公共汽车上学更有趣。
11. In North America，not all students take the bus to school．在北美，并非所有学生坐公共汽车去学校。
12. In China，bikes and buses are the most popular means of transportation. 在中国，自行车和公共汽车是最普遍的交通方式。
13. What do you think of the transportation in your town? 你认为你们镇上的交通情况如何?

Unit 5
1. Can you come to my party on Saturday afternoon? 星期六下午,你能来参加我的晚会吗?
Sure．I'd love to．当然，我愿意。
Sorry, I can't．I have a piano lesson.  对不起，我不能。我要上钢琴课。
2. I have too much homework(to do) this weekend．本周末我有太多家庭作业(要做)。
3. Thanks for asking. 谢谢你的邀请。
   Thank you for your invitation. 谢谢你的邀请。
4．I have to go to the dentist．我得去看牙生。
5．I have to study for my chemistry test on Thursday．周四，我得准备化学测验。
6．I'm having a piano lesson the day after tomorrow. 后天我要上钢琴课。
7．Can you come over to my house Wednesday evening to discuss the science report? 星期三晚上，你能来我家讨论这份科学报告吗?
8. On Saturday, I’m going fishing with my grandpa the whole day. 星期六一整天我将和我爷爷一起去钓鱼。

Unit 6
1. I'm more outgoing than my sister．我比我妹妹更外向。
2．He has shorter hair than Sam．他的头发比萨姆的短。
3．Tom is more athletic than Sam．汤姆比山姆更强健。
4．In some ways we look the same，and in some ways we look different. 在某些方面，我们看起来一样；在某些方面，我们看起来不同。
5．We both enjoy going to parties. 我们俩都喜欢参加晚会。
Both girls go to lots of parties．两个女孩都参加了许多晚会。
6. Liu Li has more than one sister. 刘丽不止有一个姐姐。
7．Liu Ying is not as good at sports as her sister. 刘莹不如她姐姐擅长体育。
8．I think a good friend makes me laugh．我认为好朋友会使我开心。
9．It’s not necessary to be the same. 没有必要非得一样。
10. I don’t think differences are important in a friendship. 我认为差异对于友谊来说并不重要。11. English Study Center needs a weekend teacher for primary school students. 英语学习中心需要招聘一位小学生周末教师。
12. Call English Study Center at 443-5667 for more information. 请拨打443-5667向英语学习中心咨询更多信息。

Review of units 1-6
1. What does your father do? 你父亲是干什么的？
2. We need this to play soccer or ping-pong. 我们需要这东西去踢足球或打乒乓球。
3. You use this to make cheese. 你用它来做奶酪。
4. Not many people can afford a car. 并不是很多人都买得起小汽车。