问题
选择题
34. It’s reported that in the past 50 years around 80 percent of Beijing’s courtyard houses ______.
A.had wiped out
B.have wiped out
C.had been wiped out
D.have been wiped out
答案
答案:D
34. It’s reported that in the past 50 years around 80 percent of Beijing’s courtyard houses ______.
A.had wiped out
B.have wiped out
C.had been wiped out
D.have been wiped out
答案:D