They said that Mr. Black ____ to China many times.
A.
A, has been
B.
B, had been
C.
C, had gone
D.
/
正确答案是B
They said that Mr. Black ____ to China many times.
A.
A, has been
B.
B, had been
C.
C, had gone
D.
/
正确答案是B