单项选择题

The Space Age ______ in October 1957 when the first artificial satellite was launched by the Soviet Union.

A. initiated
B. originated
C. embarked
D. commenced
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单项选择题
From the tears in Nedra's eyes we can deduce that something sad ______.
A. must have occurred
B. would have occurred
C. might be occurring
D. should occur
单项选择题
______, he does get irritated with her sometimes.
A. As he likes her much
B. Much he likes her though
C. Though much he like her
D. Much as he likes her
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