He did not work hard. He failed the exam.

     A. Unless he had worked hard, he would have failed the exam.

     B. Even though he failed the exam, he didn’t work hard.

     C. If he had worked hard, he would have passed the exam.

            D. However hard he worked, he failed the exam.

“If I were you, I would go to the doctor.” David said to Claudia.

     A. David advised Claudia not to go to the doctor.

     B. David told Claudia that he would go to see the doctor.

     C. David advised Claudia to go to the doctor.

            D. David told Claudia to become a doctor

John was not here yesterday. Perhaps he was ill.

     A. John needn’t be here yesterday because he was ill.

     B. Because of his illness, John shouldn’t have been here yesterday.

     C. John might have been ill yesterday, so he was not here.

     D. John must have been ill yesterday, so he was not here.

Were it not for the money, this job wouldn’t be worthwhile.

     A. This job offers a poor salary.

     B. This job is rewarding at all.

     C. The only thing that makes this job worthwhile is the money.

     D. Although the salary is poor, the job is worthwhile.

A thrifty buyer chases fruits and vegetables in season.

     A. professional              B. economical               C. careful                      D. extravagant

Your experience with oil well fires will be invaluable to the company in case of trouble

     A. precious                    B. priceless                    C. important                  D. worthless

The International Union for Conservation of Nature Red List is a comprehensive catalogue of the conservation status of species.

     A. complete                  B. rational                     C. understandable         D. valuable

During their five-decade history the Asian Games have been advancing in all aspects.

     A. going off                  B. going over                C. going by                   D. going ahead

Teddy: “I’m very sorry for letting you wait for so long”
Maria: “_______________”

     A. Don’t apologize. I’ve just arrived here.         B. You’re welcome

     C. It doesn’t matter. Thank you                         D. My pleasure. Don’t worry about it

Mrs Quyen: “Word hard! Otherwise, you may fail the exam”
Anna: “__________________”

     A. Ok, I will                 B. I think you have to   C. I can’t fail it             D. I see