问题
ster left home in 1998, and__________since.
A:had not been heard of
B:has not been heard of
C:had not heard of
D:has not heard of
B:has not been heard of
C:had not heard of
D:has not heard of
正确答案是：
同类题型
Jose cupped his hands together tocover his mouth ________ other people would see him cry.
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