Join the sentences к примеру i asked for an alarm call. i went to bed. ( i had asked for an alarm clock before i went to bed 1.we arrived at the airport. we rented a car. (when) 2.i got the message. i called her back. (as soon as) 3.they got there. the museum had closed. (by the time) 4. first she unpacked. then she called room service. (after)
2. as soon as I had got the message, I called her back.
3. By the time they got there, the museum had closed.
4. After she had unpacked, she called room service.