Where did you get to know him— I think it was in the factory______ I worked ten years ago.

Saturday is the day of a week.

下列括号中对句中加点词的解释，完全正确的一项是

Who is the woman sitting __________ the students in the photo—My head teacher. She took the photo with all my classmates last year.

he researcher collected information,studied it, did a lot of and learntfrom the experiences of farmers.