英语选择（）-------of his parents is in good health ,buts------of
英语选择
（）-------of his parents is in good health ,buts------of them works hard.
A none;all B neither ;both Cneither ;either Dboth;neither
（）-------of his parents is in good health ,buts------of them works hard.
A none;all B neither ;both Cneither ;either Dboth;neither
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