Guangzhou isChina.A. on east ofB. on the east ofC. to eastD. in the east of

问题补充：

Guangzhou isChina.

A. on east of

B. on the east of

C. to east

D. in the east of

答案：

A. on east of

B. on the east of

C. to east

(答案→)D. in the east of

解析：句意：广州是在中国的东部。in the east of…表示在某个范围之内的东部；on the east of…表示在某个范围之外的东部，但是两者之间是相邻的；根据常识可知广州是在中国的领土之内，故选D。