一、 1. A: Good afternoon，Helen.B: Good afternoon，Liu Tao.　2. A: Would you like a hot dog？B: Yes，please.　3. A: Happy New Year！B: Happy New Year！(1. B　2. A　3. A)二、1. ABC　2. UN　3. PRC　4. ID　5. USA(54213)三、1. R　2. sxc　3. VMP　4. evening　5. uncle　6. blue　7. Helen’s clothes are nice.　8. Would you like this brown jacket？(1. C　2. A　3. B　4. C　5. A　6. B　7. B　8. C)四、1. Hello，Gao Shan.　2. Your T-shirt is nice.　3. Hi. Are you Liu Tao？　4. Happy New Year！(1. C　2. A　3. C　4

一、 1. A: Good afternoon，Helen.B: Good afternoon，Liu Tao.　2. A: Would you like a hot dog？B: Yes，please.　3. A: Happy New Year！B: Happy New Year！(1. B　2. A　3. A)二、1. ABC　2. UN　3. PRC　4. ID　5. USA(54213)三、1. R　2. sxc　3. VMP　4. evening　5. uncle　6. blue　7. Helen’s clothes are nice.　8. Would you like this brown jacket？(1. C　2. A　3. B　4. C　5. A　6. B　7. B　8. C)四、1. Hello，Gao Shan.　2. Your T-shirt is nice.　3. Hi. Are you Liu Tao？　4. Happy New Year！(1. C　2. A　3. C　4