Сorrect any errors in these sentences.
1. There is one locking nut and four bolts for each wheel.
2. That’s a really good advice.
3. I can’t say that economics are the subject I’ve ever been very interested in.
4. There’re one potato and two onions in the recipe.
5. An undiagnosed illness in his twenties has left him with virtually no hairs.

Fill in the gaps with an appropriate form of the verb “to Be” (is/are) .

1. Linguistics__ very interesting.
2. Billiards ___my favourite game.
3. His earnings__very modest.
4. The cattle on the farm _ taken good care of.
5. Police _chasing him.
6. Where__ your luggage?
7. _ there any evidence on the crime?
8. Good looks at the first job interview__very important.
9. Listen! The applause __ really very loud.
10. ___the accomodation here expensive?
11. Thirty euro__enough to eat dinner at a restaurant.
12. Fish and chips ___ a traditional British lunch.