—________ have you watched TV tonight?        
—For two hours.        

—______did you see in the picture?
—Nothing.

-__________ will you be in Shanghai?
-About three weeks.

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.

—_______ have you visited the Summer Palace??
—Nerver.

—_____ has your father worked in the company?
—For two years.

—_______ will it take me to get to the Golden Street?
—About half an hour. 

—_____ do you visit your grandfather?
—Once every two weeks.

—_____ has your friend studied English?  
—Since 2001.

—_____ have you been there, Mary?
—Since last winter holiday.