1.we love the city .We grew up in that city (in which) =>==–. 2.I know the fat boy.I talked to that boy yesterday at the

1.we love the city .We grew up in that city (in which) =>…………………………… 2.I know the fat boy.I talked to that boy yesterday at the party (who) =>…………………………….. 3.she cannot cook because she feels very tired today =>If…………………. 4.Jane helps me survey the market ,so I plan to share a commission with her =>If……………………….