Which of the following best restates each of the given sentences?

It’s hard to concentrate when you’re tired.

Choose the best answer to complete the following sentences.

A/ an ____ species is a population of an organism which is at risk of becoming extinct.

Choose the best answer

Jane doesn't spend much money _____ clothes.

Choose the best answer

The poor don’t have many things to eat, _________?

Choose the best answer

He will not be _____ the bus today.

Choose the best answer

He is saving_______ he can go on vacation.

Each of the following sentences has one error (A, B, C or D). Find it and blacken your choice on your answer sheet.

The use of credit cards in place of cash have increased rapidly in recent years.

Each of the following sentences has one error (A, B, C or D). Find it and blacken your choice on your answer sheet.

Students taking part in this test need to work hardly and relax regularly.