3. вместо подчеркнутых слов поставьте личное местоимение в именительном или объектном падеже. 1. professor n. says that mathematics is an important subject for technical students. 2. these lines are short. 3. the length of the line is ½ of a meter.

1. He says that mathematics is an important и т.д. 2. They are short. 3. It is 1/2 of a meter

Pet is like a little kid. He needs your support, help, and most importantly care. To make your animal feel good, you need to follow simple rules.

First of all, any pet needs walks. If you have a dog or even a cat, then allow the animal to go outside as often as possible. And, even better, walk with your pet always together. Frequent walks will not only help your four-footed friend to know the world around us, but also improve his well-being, because any pet, like a person, needs regular walks in the fresh air.

The next important component of pet care is proper nutrition. Exclude from the diet of your pet any harmful and non-natural products. Feed your pet the most healthy food.

1. Masha said she would see you in the morning.

2. Boris said he went to the south every year.

3. He said he was going to a ski resort the next day.

4. Ann said to us they hadn't come yet.

5. She said to us they had arrived in St Petersburg the previous day .

6.They asked us whether we would help them.  

7. Mary asked why  Sam didn't want to swim in the pool.

8.The doctor said to Sam not to eat meat!

9.Nick said he had never been to London.

10.He said he would not stay with his friends too long.

11.He said to me they were staying at the Grand Hotel Europe".

12.He said they had left the previous  Monday."

13.She said you could leave the key with the maid upstairs."

14.I asked whether Nick liked that dinner.

15. Masha asked me what university I was going to enter.

16.The customer said to the shop-assistant to s how him/her that sweater.

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