Буду очень благодарная!!!!!
Вставить must, might или can't.
1.She definitely. ... be afraid of heights!
2.She... enjoy climbing, or she wouldn't.
3.It looks very dangerous. There... be an avalanche.

Ответ:

1)must

2)can't

3)might

Объяснение:

Думаю сам переведёшь!)