问题补充:
单选题SomeEnglishscientistsareidentifyingproblems____technologyinthe21stcentury.Ifsolved,thesolutionscouldchangetheworld.A.facingB.facedC.being facedD.having faced
答案:
A
时间:2023-11-02 12:17:01
单选题SomeEnglishscientistsareidentifyingproblems____technologyinthe21stcentury.Ifsolved,thesolutionscouldchangetheworld.A.facingB.facedC.being facedD.having faced
A