问题
选择题
Daniel’s father left home in 2001,and ever since.
A.has not heard of
B.had not heard of
C.has not been heard of
D.had not been heard of
答案
答案:C
Daniel’s father left home in 2001,and ever since.
A.has not heard of
B.had not heard of
C.has not been heard of
D.had not been heard of
答案:C