правильное время глаголаNext month, Maggie (go)_______________ to Australia to visit her

Правильное время глагола
Next month, Maggie (go)_______________ to Australia to visit her sister, who she (not/see) for fifteen years. The plane _______________ (leave) early in the morning and (stop)_______________ off at Singapore before flying on to Sydney. It (be)________________ a very long, tiring journey, but Maggie is very excited because this time next month, she (begin)_______________ her adventure on the other side of the world. She (stay)________________ in Australia for one month. She already (book)_______________ her flight, so she (fly)________________ back to Britain on 31st May. She hopes that she (visit)_______________ lots of fascinating places and (see)_______________ many interesting things by the time her holidays (be)_______________ over.