摘要： A. how B. when C. because D. where 答案:B 指导:when引导表语从句说明事情发生的时间.此处不表示事情发生的原因.方式或地点.根据下文的提示可排除其他选项.
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------ you got the news that the rocket was sent up successfully?
------From the radio.
A. How was it that B. How it was that
C. What was it that D. What it was that
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Last summer I took a course on________.
A. how to make dresses
B. how dresses be made
C. how to be made dresses
D. how dresses to be made
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—_______ David and Vicky ________ married??
—For about three years.?
A.How long were;being B.How long have;got?
C.How long have;been D.How long did;get
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