填空题 He didn't come to school today because he was ill. He didn't 1 2 today 3 4 he didn't come to school.
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【正确答案】 1、feel well，so    
【答案解析】didn't feel well是“感觉不舒服”，用来替换be ill(生病了)，意思相近，另外把表示原因的句子置于句首，表示结果的句子置后，故用so，其意义与原句相同。