为下列的图片选择合适的句子。
（1）   
A.He is a doctor.     
B.He is a juggler.
（2）  
A.It  is under the chair.
B.It is on the chair.
（3）    
A.The shoes are cheap  .
B.The shoes  is cheap.
（4）
A.There is a zoo next to the park .
B.There is a zoo next to the post office.