16. Can you explain why some people can work better when they are _______ pressure? A. in B. on C. under D. at 17. With what my parents prepare for me in terms of education, I am ________ about my future. A. confide B. confident C. confidence D. confidential 18. The new alarming device is to make sure that you always feel safe and ________ in the building. A. secure B. security C. secured D. securing 19. It has been a habit for families here to wait for the ring at 7 p.m. every day to _____ the garbage. A. take in B. take off C. take up D. take out 20. Babies have no other way of attracting their parents’ ______ than crying and shouting. A. attention B. attentive C. attend D. attentively