In Dali Mr Green was so struck by the beauty of nature that he stayed for third week.A. th

问题补充：

In Dali Mr Green was so struck by the beauty of nature that he stayed for third week.

A. the ; the

B. the ; a

C. 不填；the

D. 不填；a

答案：

A. the ; the

B. the ; a

C. 不填；the

(答案→)D. 不填；a

解析：句意：在大理格林先生被自然的美丽吸引了，以至于他又待了一个星期。第一空不填，nature是抽象名词，不加冠词，第二空填a，a+序数词表示“又一个”，选D。