His uncle went abroad in 2010, and _____
题型:选择题
问题:
His uncle went abroad in 2010, and __________ since.
A.had not been heard of
B.has not been heard of
C.had not heard of
D.has not heard of
His uncle went abroad in 2010, and __________ since.
A.had not been heard of
B.has not been heard of
C.had not heard of
D.has not heard of