We saw new houseswherever we went on our visit.A. builtB. being builtC. buildingD. to buil

问题补充：

We saw new houseswherever we went on our visit.

A. built

B. being built

C. building

D. to build

答案：

A. built

(答案→)B. being built

C. building

D. to build

解析：本题考查非谓语动词充当宾语补足语的用法。过去分词表示被动和完成，-ing形式表示正在进行；在see 、watch、 make、 hear等词后的宾语补足语应用不带to的不定式，表示动作的全过程。本句句意为不管我们到哪儿参观，都看到新房子正在建设，且build与houses存在被动关系；故选B。