THE FARMERS WERE WORKING ( ON / AT / IN ) THE FIELD WHEN WE CAME. I...

13. - BAI KIEM TRA 1 TIET SO 2
BAI KIEM TRA 1 TIET SO 2

13.The farmers were working ( on / at / in ) the field when we came.

III / Rewrite these sentences, beginning with the suggested words or phrases ( 2,5 p)