Ayuda con esta tarea chicos4?

Ayuda con esta tarea chicos 4. Complete the sentences below. Use the simple past or the past perfect of the verbs in parenthesis : - When people ____________ (take) the hymn books in the church, they realized someone ____________ (leave) an envelope with money. - When workers ____________ (arrive) at the local newspaper office, they saw someone ____________ (leave) and envelop at the reception. - When people realize the envelope ____________ (come) from the “German Robin Hood” ; they try to see who the person is, but normally he or she ____________ (already leave). - Luckily, the nurse at Braunschweig____________ (spot) the envelope the mysterious donor ____________ (put) under the doormat.