двигаясь по  течению реки   расстояние в 60 км теплоход  проходит  за 4 часа  какова скорость  течение  реки   если  собственная скорость  теплохода  -16  км/ч

10 Fill in the gaps. Use the, a or no article. помогите с артиклями

1. ... dinner is served.
2.1 never have ... breakfast. I'm not hungry in the morning.
3.    ... dinner we had in that cafe was disgusting.
4.    Let's have ... lunch in the garden.
5.    It was ... best dinner I've ever had.
6.1 wasn't hungry because I had had ... big lunc