Each sentence has a mistake. Find it by choosing the letter A, B, C or D

 As soon as you leave the room, don’t forget turning off the lights.

Rewrite the sentence:

He didn't know how to swim until he was 30.

Rewrite the sentence:

They recommend that the hotel should be redecorated.

Rewrite sentences without changing the meaning: 

You needn’t have opened a bank account.

Rewrite sentences without changing the meaning: 

No matter how unsolvable the situations are, he could manage it successfully.

Rewrite the sentence:

People know that English is an international language.

Rewrite the sentence:

I thought she was the right person for the position, yet it turned out that she was quite useless.

Choose the underlined part among A, B, C or D that needs correcting:  Andrew has been a teacher of English since a very long time. 

Rewrite the sentence:

“How brave you are!” he said to the firemen.

Rewrite the sentence:

We had no sooner got to know our neighbors than they moved away.

Choose the correct option among A, B, C or D which has the same meaning as the given one: Paul is not interested in farming.

Rewrite the sentence:

When I had finished the report, I went out for a cup of coffee.

Rewrite the sentence:

They are building a new highway around the city.

Rewrite the sentence:

Young as he is, he has a big fortune.

Choose the letter A, B, C or D to without changing the meaning

 No matter how unsolvable the situations are, he could manage it successfully.

Each sentence has a mistake. Find it by choosing the letter A, B, C or D

The ASEAN countries have the third large number of English speakers.

Rewrite the sentence:

The plane had taken off. Paul realized he was on the wrong flight.

Rewrite the sentence:

People believe that 13 is an unlucky number.

Rewrite the sentence:

It was wrong of you to criticize your son before his friends left.

Rewrite the sentence:

“ I tried to study English well. I wanted to get a good job.” means________.

Choose the correct option among A, B, C or D which has the same meaning as the given one: Not taking a difficult exam Is worse than failing it.