7 Fill in the correct preposition, then make sentences using the completed phrases.
Help please!

Răspuns:
1. The film sets; 2 On a diet; 3 ninety-nine per cent at the time; 4 To insist on sth; 5 to worry at sth; 6 to cook a sb; 7 to complain at sth; 8 to think at it sth.
i hope i help you!