Задайте к предложениям специальные вопросы, начиная их с вопросительных слов, данных в скобках; 1. A teacher thinks of his pupils. (Who?)
2. My friend prepares his homework in the evening. (When?)
3. There is one mistake in your exercise, but a very bad one. (How many?)
4. You were speaking to your friend when I met you. (To whom?)
Если ты говоришь о кенгуру в обобщающем значении, то неопределённый артикль a, а если в конкретизирующем значении, то определённый артикль the.
A kangaroo is one of the most unique animals in the world. (Кенгуру является одним из уникальнейших животных в мире)
The kangaroo seems to be hungry. (Кажется, этот кенгуру голоден)
В выражении "What a nice kangaroo" всегда неопределенный артикль, в выражении "How nice the kangaroo is" всегда определенный артикль.
It is very nice in spring. The sky is often blue. The sun shines brightly in the sky.'It is warm.
Лето:
Summer is as nice as spring. The sun shines brightly. It is warm and sometimes hot.
Осень:
After summer autumn comes. The days are shorter than in summer. The weather is not so pleasant as in spring and in summer. II often rains.
Зима:
Winter is the coldest season in the year. Sometimes the weather is pleasant. It often snows. Some people like when it snows. There is a lot of snow on the ground.