Here are the answers to the blanks in the sentences:
1) There are - two people in a shop.
2) The (подозрительные) people are very suspicious.
3) That man across the street has - black dog.
4) There are 120 people on the train.
5) Tom has got a snake at home.
6) I like to travel by - car. I don’t like to travel on - foot.
7) There is an apple, two oranges and - milk in - fridge.
8) I’ve got a new tablet PC. This gadget is by Samsung.
9) This is - his smartphone. His smartphone is really good.
10) Tom and his brother have got good teachers.