⑴:⒈reservation:①request. ②tour. ③official. ④advance.

⒉transit： ①communicate.②clearly. ③address. ④inform. 

⑵:⒈white house:①residence. ②workplace. ③locate. ④avenue. 

⒉president:①select. ②site. ③occupy. ④buiding. 

⑶:⒈Thomas Jefferson:①spokesman. ②democracy. ③principal. ④author. 

⒉Abraham Lincoln:①issue. ②declare. ③slave. ④Confederacy. 

⑷:⒈Theodore Roosevelt:①youngest. ②power. ③foreign. ④policy. 

⒉Franklin D. Roosevelt:①undertake. ②the Great Depression. ③regain. ④faith. 

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make reservations and arrangements for transportation

the white house introduction

relevant knowledge of the white house

reservation

1. request

2. in advance

transit

1. communicate clearly

2. inform