讀一讀，根據(jù)例子寫出下列單詞的好朋友。
例: eat → ate
1. see →                 
2. buy →                 		 3. do →                
4. go →                                                                                    
5. bring →                
1. see-saw  2. buy-bought  3. do-did  4. go-went  5. bring-brought
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