问题
选择题
— When ______ the telephone ______, do you know?
— Yes. In 1876. [ ]
A. was; invented
B. is; invented
C. did; invent
D. had; invented
答案
答案:A
— When ______ the telephone ______, do you know?
— Yes. In 1876. [ ]
A. was; invented
B. is; invented
C. did; invent
D. had; invented
答案:A