The Wilsons live in A-shaped house near the coast. It is 17th century cottageA. the; /B. a

问题补充：

The Wilsons live in A-shaped house near the coast. It is 17th century cottage

A. the; /

B. an; the

C. / ; the

D. an; a

答案：

A. the; /

B. an; the

C. / ; the

(答案→)D. an; a

解析：此题考查冠词的用法，根据题意The Wilsons 住在一所A字形状的房子，这是一个17世纪的小屋。an A-shaped house ,a 17th century cottage 都是泛指，因此选D。