почему в этом предложении стоит именно это время what had they forgotten to buy?

Australia is located south of Asia, between the Pacific and the Indian Oceans. It is a vast continent, made up of mainland Australia and of the island of Tasmania to the south. The Australian continent is washed in the north by the Timor and Arafura Seas and and the Torres Strait, in the east by the Tasman and Coral Seas, and the South Pacific Ocean, and in the south by the Bass Strait and the Indian Ocean. Australia is the flattest of the continents. Its mountains include the Kimberley and Hamersley Ranges in Western Australia, and the Flinders Range in South
Australia
. The centre of the continent is covered by the desert: the Great Sandy Desert, the Great Victoria Desert, and the Simpson Desert. There are few rivers in Australia. Its best known river is the Murray. The longest is the Darling.

FIAT Fiat 0 was started (started/was started) by a group of Italian businessmen in 1899. In 1903, Fiat, 1_________________ (produced/was produced) 132 cars. Some of these cars 2_____________________ (exported/were exported) by the company to the United States and Britain. In 1920, Fiat 3_________________ (started/was started) making cars at a new factory at Lingotto, near Turin. There was a track on the roof where the cars 4____________________ (tested/were tested) by technicians. In 1936, Fiat launched the Fiat 500. This car 5____________________ (called/was called) the Topolino – the Italian name for Mickey Mouse. The company grew, and in 1963 Fiat 6_____________________ (exported/was exported) more than 300,000 vehicles. Today, Fiat is based in Turin, and its cars 7_________________ (sold/are sold) all over the world.

двух слов corn,sad,bird,pupil,run

Задали по английскому, а я никак сделать не могу .голова раскалывается!
И если вам не трудно,можете в каждом примере объяснить,почему именно это врем поставили.Но это необязательно. Помогите !!

ставится объясните

предложения со Сложным дополнением (Complex Object) в этом тексте

YOUTH PROBLEMS

All people have problems. Some of them have many problems, the others have one or two problems only.

Young people have as many problems as the grown-ups. It is possible to solve some problems but sometimes we can not solve this or that problem. The first problem is to choose a good friend. I know the proverb "A friend in need is a friend indeed." I agree with it, that's why I try to make friends with cheerful and true persons.

I want to have a friend who understands me. It will be simple and interesting to speak to him or her. I think that young people have problems with their parents. What are they? Sometimes we have different tastes. I like the proverb "There is no accounting for tastes." For example, I go to the shops with my mother. She likes this dress but I like that one. My mother wants me to buy this dress. But I am sure, that dress is much to my taste.

My parents want me to be a teacher as they are skilled teachers but I have a taste for music, and my dream is to be a composer.

Where can we go? What can we do if we have free time? My friend Nastya lives in the village. Her village is far from Moscow. It takes her three hours to go to Moscow. She says that there is nowhere to go and there is nothing to do in her village. There are no clubs, museums, cinemas, parks there. If she wants to go to Moscow it'll take her a lot of money. She can't afford it.

It is a problem to get a good education.

It is necessary to pay for a good education. I think it is difficult to learn English, for example, without additional classes.

I can't enter the Institute without good knowledge. To get it it is necessary to pay for it and have heavy expenses.

Many good teachers leave schools because they haven't got enough money. Persons without special experience can't teach the pupils well.

I am sure that all teenagers want to have a lot of money to dress well, to go to the theatres, to visit foreign countries, to eat what they want, to buy books… How can they solve all these problems?

They have to earn money. I think it is possible to do it. Some boys wash cars, the others sell newspapers, some of my friends help old persons. Many of my friends have load of cares.

We have some problems but we are sure that we solve them in a proper way.

I think that the young people in other countries have many problems too. I have a pen-friend in Italy. He usually writes that his parents make him to do a lot of house-work. It is strange for us, but my friend Jack from London has his biggest problem — his freckles.

Hardly had mother left the children switched on the computer.