Воткните пропущенные слова:1) My mum _________ optimistic about the future. She

Вставьте пропущенные слова:
1) My mum _________ optimistic about the future. She says that's the only way to be.
is always/always is/always is being/is always being.
2) There has been a change in plans. You ________ the presentation; Jennifer is.
dont start/arent starting/havent started/havent been starting.
3) 'Hi Mrs Hill. Can I speak to Amanda, please? '
'Hello Danny. Amanda ________ to the library. I'll get her to call you when she gets back. '
goes/has been/has gone/has been going.