问题
选择题
— How old is the bridge over there?
— Oh, it's very old. It _____ about eight hundred years ago. [ ]
A. has built
B. is built
C. was building
D. was built
答案
答案:D
— How old is the bridge over there?
— Oh, it's very old. It _____ about eight hundred years ago. [ ]
A. has built
B. is built
C. was building
D. was built
答案:D