1) When the film started my friend Nick(takes/took/was taking/had taking) popcorn and began to eat
2) My sisters son(wont ride/didnt ride/doesnt ride/wouldntride) in tomorrow race beсause hi too young
3) Every time when I miss the vus it means that I(had to/doesnt have to/have to/could) walk to work
4)It was great It was(good/better/the best/best) meal you have ever cooket
5)This visit to the museum was(little/less/least/the least) interesting than the previous one
6)Whose house is that? Its(her/hers/she) She had bought it last year
7)If I(was/were/am) you I would choose this dress
8)When the boys(come/came/will come) home they would help me
9)If the weather(was /is/will be) fine tomorrow we will have a picnic
10)Tom plays(a/the/-) foorball very well
с объяснением выбора пожалуйста!!!

1) took .последовательность действий в прошлом.2) won't ride .tomorrow→further simple3) have to .здесь по смыслу, could не подходит, по времени ( исходя из контекста)4)the best . если видишь ...have ever... то будет наивысшая степень сравнения5) less .исходя из контекста less- менее6)hers . употребляется в конце предложения + контекст7) were . второе условное. советы.8) came .второе условное.9) is .первое условное.10) - перед видами спорта артикль не употребляется