根据所给的汉语提示，转换下列句型。

1. The TV star lost not only his girlfriend but also his show. (改为同义句)

    The TV star lost _____ his girlfriend    _      his show.

2. By the time l went out, the bus had already left. (对画线部分提问)

      __     had the bus left _____?

3. I was the only person wearing a costume. (改为定语从句的复合句)

    I was the only person     _     _____ wearing a costume.

4. I was exhausted because I had stayed up all night studying. (对画线部分提问)

        __       _     you exhausted?

5. He had changed the clock to an hour earlier. (改为否定句)

    He _____      __   the clock to an hour earlier.

B2C客户服务指标主要有（）。

A、客户投诉率及客户投诉处理及时性

B、送货及时性

C、服务态度

D、是否开箱验机

E、退换货及时率