At first it seemed that everything went well but all of sudden the ship hit iceberg.A.

问题补充：

At first, it seemed that everything went well, but all of sudden, the ship hit

iceberg.

A. a; an

B. a; the

C. the; the

D. /; an

答案：

(答案→)A. a; an

B. a; the

C. the; the

D. /; an

解析：可联系答.案.网客服索取。