Chose the write option

1. I [will call|call] you as soon as I reach Madrid.
2. Don't forget to phone the travel agent before you [will leave|leave].
3. I wonder when Kate will [comes|come] back.
4. There's only one week left until we [go|will go]on holiday.
5. Don't worry. I will be at the station by the time you [arrive|will arrive].
6. We [go|will go] shopping for souvenirs after we have lunch.
7. John will send me a text message when he [gets|will get]to the airport.