They were thirsty so they went something to drink.A. searching forB. searching forC. sea

问题补充：

They were thirsty, so they went something to drink.

A. searching for

B. searching for

C. searching

D. in their search of

答案：

(答案→)A. searching for

B. searching for

C. searching

D. in their search of

解析：

这里是词组辨析题，句意是：他们很渴，所以去找些东西喝。searching for寻找，这里做伴随状语，B、D、选项分别改成in search of /in their search for就对了，search接某地或某人，表示搜查某地或搜某人身。