问题描述：
2道英语题
根据汉语提示,完成下列句子,每空一词.
It was dark.but they _________ __________ _________ in the field.
同义句转换
My mother is busy cooking.
My mother is busy __________ _________ __________ .
根据汉语提示,完成下列句子,每空一词.
It was dark.but they _________ __________ _________ in the field.
同义句转换
My mother is busy cooking.
My mother is busy __________ _________ __________ .
问题解答：
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