假如你叫Xiao Yu，住在杭州。你的筆友Billy想了解你的家庭和寒假計劃，請根據(jù)所給信息；把給Billy的回信補充完整。
要求：（1）包含全部信息，并計劃一項寒假活動，要求寫具體（含地點和人物）；
（2）書寫規(guī)范整潔，有2分書寫分。

	Father	Mother
Job and Workplace	商人（世界各地）	科學(xué)家（university）
Ways to work	通常坐飛機，有時坐火車	通常坐地鐵，有時坐小汽車
Hobbies	唱歌、看電影	看漫畫書、聽音樂

Dear Billy，
?You want to know about my family and my winter vacation plan.Let me tell you in this letter.
?My father is a businessman.He works in different places of the world.He usually goes to work by plane，sometimes by train.He likes singing songs and seeing films.
?My mother

is a scientist.She works in a university.She usually goes to work by underground，sometimes by car.She likes reading comics and listening to music.

is a scientist.She works in a university.She usually goes to work by underground，sometimes by car.She likes reading comics and listening to music.

?For winter vacation，I

am going to Beijing.I'm going there by train with my parents.We will visit the Great Wall.We will visit the Summer Palace too.At last，we are going to buy some gifts for our friends.

am going to Beijing.I'm going there by train with my parents.We will visit the Great Wall.We will visit the Summer Palace too.At last，we are going to buy some gifts for our friends.

It'll be fun!What're you going to do in the winter vacation？Can you tell me？
Xiao Yu