Exercise 2: Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions 1. These quick and easy ​can be effective in the short term, but they have a cost. A. solve​B. solvable​C. solutions​D. solvability 2. He was looking at his parents ​, waiting for recommendations. A. obey​B. obedience​C. obedient​D. obediently  3. The interviews with parents showed that the vast majority were​of teachers. A. support​B. supportive​C. supporter​D. supporting 4. It is ​of you to leave the medicine where the children could reachit. A. care​B. caring​C. careless​D. careful 5. For ​reasons, passengers are requested not to leave any luggageunattended. A. secure​B. securely​C. security​D. securing 6. The leader of the explorers had the great ​in his native guide. A. confident​B. confidence​C. confidential D. confidentially 7. We are impressed by his ​to help us with the hard mission. A. will​B. willing​C. willingness​D. willingly 8. Although they are twins, they have almost the same appearance but they are seldom in ​ A. agree​B. agreeable​C. agreement​D. agreeably 9. The more ​and positive you look, the better you will feel. A. confide​B. confident​C. confidently​D. confidence 10. It is reported that humans are the main reason for most species'declines and habitat ​and degradation are the leading threats. A. destroy​B. destructive​C. destructor​D. destruction

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