单项选择题

Bats are surprisingly long-lived creatures, some（）a life span of around 20 years.

A. having
B. had
C. have
D. to have

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The issue is how to（）of radioactive waste.

A. deal
B. dispose
C. disposal
D. do
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I'm tired out. I（）all afternoon and I don't seem to have finished anything.

A. shopped
B. have shopped
C. had shopped
D. have been shopping
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