句型转换（每空一词）。

1. My father has been to Japan three times.(对画线部分提问)

   ______ ______ ______  your father been to Japan?

2. The young man travelled there by plane.(对画线部分提问)

   ______ ______ the young man ______ there?

3.The girls are having a wonderful time in China.(改为同义句)

   The girls are ______ ______in China.

4. My uncle flew to Beijing yesterday.(改为同义句)

    My uncle ______ to Beijing ______ ______ yesterday.

5. Since then over 400 million people have visited Beijing. (改为同义句)

    Since then ______ ______ 400 million people have visited the ______ ______ Beijing.