Have you ever been to aquarium in Qingdao before? A. aB. anC. theD. /

问题补充：

Have you ever been to aquarium in Qingdao before?

A. a

B. an

C. the

D. /

答案：

A. a

B. an

(答案→)C. the

D. /

解析：本题考查冠词。句中the aquarium in Qingdao特指的青岛水族馆，故选择定冠词the来修饰。句意：你以前常见去过青岛水族馆吗？