◎ 题干

When and where we are going to hold the ball _____. So we’d better wait until we _____.
A.is not announced; are informedB.doesn’t announce; inform
C.are not announced; have been informedD.don’t announce; have informed
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“When and where we are going to hold the ball _____. So we’d better wait until we _____.A.is not announced; are informedB.doesn’t announce; informC.are not …”主要考查了你对  【一般现在时】【将来进行时】【过去完成进行时】【过去将来时的被动语态】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。