They don`t take readings every 30 second/
Do they take readings every 30 second?
The professor`s assistant doesn`t show us experiments in the laboratory.
Does the professor`s assistant show them/us ( по грамматике можно подставить и тот и другой вариант, но более логично написать them) experiments in the laboratory.
В 3 предложении у Вас допущена какая-то ошибка, поэтому там нет согласования. Я напишу два возможных варианта.
My friend doesn`t go somewhere in summer.
Does my friend go somewhere in summer?
это пишите если в предложении написано goes
или
My friends don`t go somewhere in summer.
Do your/my (опять таки можно написать и то и то, но более логично your) friends go somewhere in summer?
Если в предложении написано friends
1. Choose the best answer:
- Where can I have this ironed? - A) At the laundry.
2. Choose the best answer:
A police officer…. car was parked at the next corner stopped and arrested them. A) whose
3. Complete the sentence:
Andy said that no other car could go ... his. A) as fast as
4. Choose the appropriate variant of indirect speech:
Jane said: “Did you see that film last month?” A) Jane interested if I had seen that film the previous month
5. Choose the appropriate word(s):
Sara and Kelly were getting treatment in the ... hospital. Their cases were A) same/similar
6. Choose the best answer:
If you ……… to him, you ……… a lot. A) listen/will learn
7. Find the appropriate modal verb:
It is raining. You … take your anorak. A) should
8. Find the right variant:
Sergei Bezrukov … as a talented actor by all. A) is recognized
9. Find the appropriate modal verb:
I have got toothache. I … go to the dentist. A) must
10. Complete the sentence:
He … the newspaper at the time you rang. A) was reading
11. Choose the appropriate variant of indirect speech:
John said to Tom: “Do you want to go to the cinema?”
A) John asked Tom if he wanted to go to the cinema.
12. Choose the right variant:
By the time the police arrived, the thieves ……. the stolen money. A) had hidden
13. Choose the best question:
Bill reads newspapers in the kitchen every morning.
A) What does Bill do in the kitchen?
14. Choose the best question:
It usually takes her 15 minutes to get to the office by underground.
A) How long does it take her to get to the office by underground?
15. Choose the right order to make up a story:
1. Meat comes from animals.
2. People cannot live without food.
3. Where does our food come from?
4. People eat domestic birds too.
A) 2,3,1,4
