Meet is not just "rencontrer" : it has three main meanings :

1.     Rencontrer / se rencontrer

*     We met in a restaurant (se rencontrer)
*     We met their representatives last week (rencontrer)

2.     satisfaire à :

*     To have the certificate, we have to meet their hygiene requirements
*     If we don't meet the lead times, we have to pay a penalty
*     We have to meet the specifications if we want the contract

3.     accuellir

*     We met them at reception

Translate the sentences - the answers given in the exercise are not necessarily the only correct ones.