Конечно, с удовольствием помогу! Вот исправленные предложения:
- Have you ever been to London?
- They don't have dinner at 7 o'clock.
- I never drink coffee in the morning.
- What is your telephone number?
- We are going to play chess this afternoon.
- This computer was made in Japan.
- She is a bank manager, isn't she?
- They come from Italy.
- I prefer to buy clothes in boutiques.
- How much cheese do you add to this dish?
- We were talking when the telephone rang.
- Have you ever tried weird food?
- She had finished cooking before we came.
- How many dollars do you spend a week?
- Who plays the violin?
- I am going to fly to NY next month.
- They don't enjoy loud parties.
- It is getting dark.
- What do you mean?
- I don't understand the plan.
- The soup smells really good.
- She has won the prize.
- How much does it cost?
- I think he is a very intelligent boy.
- It often rains in autumn.
- Look! The children are playing outdoors.
- I'm a busy teacher, aren't I?
Если будут ещё вопросы или нужна помощь, просто дай знать!