1. Since the attachment of airconditioned sleeping cars to all important trains,

2. travelling became very pleasant,

3. especially during  the summer season.

4. No error.

1. If I will have the time

2. I shall try and make it

3. to the zoo this afternoon.

4. No error.

1. We are four brothers and sisters living in this house

2. but neither of us is

3. satisfied with it.

4. No error.

1. A leading textile manufacturer, one of the fastest growing in the industry.

2. is looking for a marketing manager

3. to look up the marketing network of the company

4. No error.

1. Not one of the hundreds

2. of striking workers.

3. were allowed to go near the factory.

4. No error.