Sally paid for her travel in advance, but it wasn’t necessary. A. Sally needn’t have paid for her travel in advance. B. Sally might not have paid for her travel in advance. C. Sally may no
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Sally paid for her travel in advance, but it wasn’t necessary.
Sally needn’t have paid for her travel in advance
Sally might not have paid for her travel in advance.
Sally may not have paid for her travel in advance.
Sally couldn’t have paid for her travel in advance.