Поставьте вопросы какие возможно к предложению: she opened the door and they came into a nice large room.

What  was the size of the room? it  was  beautiful room? many  objects  in the room?

1) Australia is famous for its minerals.

What is famous for its minerals?Is Australia famous for its minerals?Is Australia famous for its minerals or clothing?What is Australia famous for?Is Australia famous for its minerals, isn't it?

2) You can find a lot of shells on the seashore.

Who can find a lot of shells on the seashore?Can you find a lot of shells on the seashore, can't you?Can you find a lot of shells on the seashore or at the airport?What can you find on the seashore?Can you find a lot of shells on the seashore?

Комментарий автора ответа:

Я старался над этим ответом;) Я бы хотел, чтобы этот ответ был лучшим ;)

The streets in LA are very crowded.The street was too narrow. Tom couldn't drive along itBig cities are often noisy and polluted.He couldn't buy the shoes because they were too expensive.He's a very clever child. He knows all the answers.Don't go near the river, it's very dangerous.That is a difficult question. I can't answer it.It was boiling hot day, so we went to the beach.He wasn't scared when the fire started. He was very braveI like my teacher. His lessons are very interesting.

Примечание автора ответа:

Я старался и я думаю, что Вам стоит отметить это как лучший ответ :D