Question 24: You will have to                your holiday if you are too ill to travel.

A. put aside                     B. call off                    C. back out                             D. cut down

Question 25: Stress and tiredness often lead to lack of               .

A. concentrate                 B. concentration          C. concentrated                       D. concentrator

Question 26: The course was so difficult that I didn’t                any progress at all.

A. do                               B. make                       C. produce                              D. create

26 CÂU TỪ VỰNG TỪ ĐỀ CÔ QUỲNH TRANG MOON