Choose the most suitable word or phrase1. He has been very interested in doing research on _______ since he was at high school.a. biologyb. biologicalc. biologistd. biologically Loading... 2. Are you sure that boys are more _______ than girls?a. actb. activec. actiond. activity Loading... 3. You are old enough to take _______ for what you have done.a. responsibleb. responsibilityc. responsiblyd. irresponsible Loading... 4. These quick and easy _______ can be effective in the short term, but they have a cost.a. solveb. solvablec. solutionsd. solvability Loading... 5. He was looking at his parents _______, waiting for recommendations.a. obeyb. obediencec. obedientd. obediently Loading... 6. The interviews with parents showed that the vast majority were _______ of teachers.a. supportb. supportivec. supporterd. supporting Loading... 7. It is _________ of you to leave the medicine where the children could get it.a. careb. caringc. carelessd. careful Loading... 8. For ________ reasons, passengers are requested not to leave any luggage unattended.a. secureb. securelyc. securityd. securing Loading... 9. The leader of the explorers had the great _______ in his native guide.a. confidentb. confidencec. confidentiald. confidentially Loading... 10. We are impressed by his _________ to help us with the hard mission.a. willb. willingc. willingnessd. willingly Loading... 11. John cannot make a __ to get married to Mary or stay single until he can afford a house and a car.a.decideb. decisionc. decisived. decisively Loading... 12. My mother used to be a woman of great _______, but now she gets old and looks pale.a. beautyb. beautifulc. beautifullyd. beautify Loading... 13. Although they are twins, they have almost the same appearance but they are seldom in _____.a. agreeb. agreeablec. agreementd. agreeably Loading... 14. The more _______ and positive you look, the better you will feel.a. confideb. confidentc. confidentlyd. confidence Loading... 15. My parents will have celebrated 30 years of _______ by next week.a. marryb. marriedc. marriageabled. marriage Loading... 16. Many Vietnamese people ______ their lives for the revolutionary cause of the nationa. sacrificeb. sacrificedc. sacrificiald. sacrificially Loading... 17. They had a ______ candlelit dinner last night and she accepted his proposal of marriage.a. romanceb. romanticc. romanticallyd. romanticize Loading... 18. Are there any _____, between Vietnamese and American culture?a. differencesb. differentc. differentlyd. differential Loading... 19. Some people are concerned with physical _______when choosing a wife or husband.a. attractiveb. attractionc. attractivenessd. attractively Loading... 20. What could be more_______ than a wedding on a tropical island?a. romanceb. romanticc. romanticizingd. romanticism Loading... Loading...