Ответ:

1)c, a, b, a, a, c, b, c;

2)documentary, freezing, flavour, honey, upload, performance;

3)competition, production, weight, useful, icy, entertaining;

4)for, needs, saw, Has Tom finished, as, make, traveling, Have you ever been, a few, wasn’t strong enough;

5)opening, has been studying, rang, the most expensive, Was it, has already eaten, a little, to help, the worst, Have you tried.