3) Use the verbs in brackets in the form of gerund or infinitive, add prepositions where necessary. 1. After (to develop) mechanical refrigeration manufacturers had no difficulty (to start) (to produce) ice cream for mass consumption.
2. People tried (to make) ice desserts thousands of years ago.
3. The company tried (to install) the new refrigeration equipment as soon as possible and succeeded (to commission) the new shop by summer.
4. The new brand of ice cream needs (to advertise).
5. Reduced-fat ice cream became popular and started (to be produced) on a large scale after a campaign for healthy food was launched in America.
6. Sugar prevents bacteria (to multiply) in milk.
7. A stabilizer is added to milk to avoid (to separate) during storage. The manager considered the advantages (to sell) the by-products to another company instead of (to process) them themselves.
8. Without (to age) the ice cream mix the manufacturer will have difficulty (to obtain) a smooth product.
9. The board of directors approved (to give up) (to use) the hardening room and (to substitute) a hardening tunnel for it. But they decided against (to begin) (to reconstruct) the storage area.

Объяснение:

Shopping is a very important part of life. Some people go shopping for pleasure, and some to buy the necessary things for life. Personally, I like to go to the Shopping Center, because it brings me a lot of positive emotions and I can take a break from everyday activities. There are many different shops: such as clothing stores, grocery stores, a bookstore, shops with decorations, with furniture, with perfumes and cosmetics, goods for pets, office, etc. My favorite store is a clothing store. I love to try on different outfits and show my image to my family and friends so that they appreciate me.  An ideal shopping center is one in which, in addition to regular stores, various types of entertainment are also gathered: a fitness room, photo studios, a pharmacy, communications shops, a cinema, a beauty salon and various catering facilities.

I.

1. Will it be sunny in St Petersburg tomorrow?*

2. We have the tickets - we are going to the theatre next Wednesday.

3. Have you heard the news? This singer is coming to our city next month.

4. I will never learn Chinese. It is too difficult for me. *

II.

1-d

2-e

3-a

4-c

5-b

III.

Put the verbs in brackets into Present Simple or Present Continuous.

1. Cats eat mice. (известный факт => Present Simple)

2. Andy sometimes reads comics. (регулярное действие => Present Simple)

3. We never watch TV in the morning.

4. Listen! Sandy is singing in the bathroom. (действие происходит сейчас => Present Continuous)

5. My mother is making breakfast now.* (действие происходит сейчас => Present Continuous)

6. Look! The boys are coming home.

7. I am chatting with my friend at the moment.​