Put the verbs in brackets into the past simple or past perfect.

The tourists arrived at London airport early on Monday morning. They (leave) Cairo on Sunday evening. They (spend) 2 weeks in Egypt and (see) most of the sights. The trip to the Pyramids (be) the most exciting one.
After they (show) their passports to he official and (pass) throught the Customs, the (get) on the bus and (go) to the Terminal.

The tourists arrived at London airport early on Monday morning. They (left) Cairo on Sunday evening. They (had spent) 2 weeks in Egypt and (seen) most of the sights. The trip to the Pyramids (was) the most exciting one. After they (had shown) their passports to the official and (passed) throught the Customs, they (got) on the bus and (went) to the Terminal.

The tourists arrived at London airport early on Monday morning. They left Cairo on Sunday evening. They had spent 2 weeks in Egypt and seen most of the sights. The trip to the Pyramids was the most exciting one.After they had shown their passports to he official and passed throught the Customs, the got on the bus and went to the Terminal.