题目内容
14、His sister 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
试题答案
14、B
解析：考查动词时态和语态 句意是：他的姐姐1998年离家，到目前没有人听到过她的消息，主语是他的姐姐，应用被动语态，又是到目前为止，所以应选择B
His sister 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
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查看习题详情和答案>>His sister left home in 1998, and _______since.
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查看习题详情和答案>>His sister left home in 1998, and since.
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. His sister left home in 1998, and_______since.
A. had not been heard of B. had not heard of
C. has not been heard of D. has not heard of
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His sister 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
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