Once his curiosity _____ he uses certain methods and procedures to obtain new knowl

大学 成人英语三级 已帮助 人

Once his curiosity _____,he uses certain methods and procedures to obtain new knowledge and great understanding .

A.has aroused

B.has arisen

C.has been aroused

D.has been arisen

热搜:关于氨基酸代谢错误的论述是_________。