－I missed the first part of film Avatar.－What a pity ! You should be here half hour earl

问题补充：

－I missed the first part of film Avatar.

－What a pity ! You should be here half hour earlier.

A. a, the

B. a, an

C. the, a

D. the, an

答案：

A. a, the

B. a, an

C. the, a

(答案→)D. the, an

解析：句意：我错过了电影《阿凡达》的前面的部分，好可惜！你应该提早半小时来。第一空用the特指阿凡达电影，hour为元音音素发音，故用an,故选D