根据句子意思，用括号中所给单词的适当形式填空。

小题1:For her    ▲  (twelve) birthday, Jenny invited her teachers and classmates to her house.

小题2:—How was your visit to Nanjing Confucius Temple at the weekend?

—Wonderful! My parents and I enjoyed    ▲  (we) very much there.

小题3:After several    ▲  (week) study, the American students found Chinese interesting to learn.

小题4:You can see the    ▲  ( happy) on her face because she can’t find her lovely cat.

小题5:When a little bit of rain falls, the plants hold the water. Without plants, the land can become a desert much    ▲  (easy).

小题6:—May Day is coming, would you like to go    ▲  (climb) with us?

—Why not, I’d love to go to Zijin Mountain.

甲、乙共谋杀害在博物馆工作的丙，两人潜入博物馆同时向丙各开一枪，甲击中丙身边的国家重点保护的珍贵文物，造成文物毁损的严重后果；乙未击中任何对象。关于甲、乙的行为，下列哪一选项是正确的？

A．甲成立故意毁损文物罪，因为毁损文物的结果是甲故意开枪的行为造成的

B．甲、乙成立故意杀人罪的共犯

C．对甲应以故意杀人罪和过失损毁文物罪实行数罪并罚

D．甲的行为属于一行为触犯数罪名，成立牵连犯