1, London is a expensive city.

⇒ London is an expensive city.

2, He is a most intelligent student in our class.

⇒ He is the most intelligent student in our class. =

3, The party was such boring that I decided to leave early.

⇒The party was so boring that I decided to leave early.

4, My father's office are on the second floor.

⇒ My father's office is on the second floor.

5, Peter earned many money last year.

⇒Peter earned much money last year.

6, Your new car is more cheaper than John's.

⇒Your new car is cheaper than John's.

7, Why does Suzie and Guy fell tired?

⇒ Why do Suzie and Guy fell tired?

8, He left college when he is 17.

⇒He left college when he was 17.

9, How long does it take you getting to school?

⇒How long does it take you to get to school?

10, Craig starts work at eight o'clock yesterday.

⇒Craig starts working at eight o'clock yesterday.

1. a => an

2. a => the

3. such => so

4. are => is

5. many => much

6. more => 0

7. does => are

8. is => was

9. getting => to get

20. work => working

#TIB