There are four underlined letters or letter combinations marked A，B，C and D. Compare the underlined parts and identify the one that is different from the others in pronunciation.

For each sentence there are four choices marked A，B，C and D. Choose one answer that best completes the sentence and blacken the corresponding letter on the Answer Sheet.

For each blank in the following passage，there are four choices marked A，B，C and D. Choose the one that is most suitable.

Each passage is followed by four questions. For each question there are four suggested answers marked A，B,C and D. Choose the best answer.

Pick out appropriate expressions from the eight choices below and complete the following dialogue.

For this part，you are supposed to write an e-mail in about 100-120 words based on the following situation. Remember to write it clearly.