my grandfather often ___(feed) the pigs when he was in the country.括号用什

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my grandfather often ___(feed) the pigs when he was in the country.括号用什
my grandfather often ___(feed) the pigs when he was in the country.括号用什

my grandfather often ___(feed) the pigs when he was in the country.括号用什
的确用fed
因为后半句“when he was in the country ”是在说过去的事.
前后时态要统一,所以用过去式

fed