2．They were building a bridge across the river bridge which was intended to carry a grea

问题补充：

2．They were building a bridge across the river, bridge which was intended to carry a great deal of traffic.

A. a; the

B. the; the

C. the; /

D. a; /

答案：

A. a; the

B. the; the

C. the; /

(答案→)D. a; /

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