поставьте глагол to be в правильную форму

1 (to be ) mad because they (to be) late.
2 they (not/to be) ableto come to us as they (to be) too busy at work.
3 the bags (to be) too heavy to carry.
4 it ( to be) warm enugh to stay outside without a coat.
5 i called kate bus she (not/to be) at her working place.
6 (to be) the dinner tasty?
7 when she called , i (to be) at the bathroom