22. How do you start the computer? A. How does the computer turn on? B. How do you turn on the computer? C. How do you turn the computer on? D. Both B and C are correct 23. I/ not accept/ offer/ turn down/ A. I couldn’t accept his offer to avoid turning down him. B. I couldn’t accept his offer because he was turned down. C. I couldn’t accept his offer, so I turned it down. D. I couldn’t accept his offer whether I was turned down. 24. Both Ann and her sister look like her mother. A. take after B. take place C. take away D. take on 25. I’ll be back in a minute, Jane. I just want to try out my new tape recorder. A. resemble B. test C. arrive D. buy 26. They are appealing ____ local business for sponsorship money. A. in B. at C. on D. to 27. The Red Cross is aimed _____ providing medical aid and other help to victims of natural disasters. A. in B. at C. to D. for 28. WHO’s main activities are carrying _____ research on medical development and improving health care. A. out B. in C. for D. of 29. Do you agree that a happy marriage should be based _______ love? A. to B. on C. with D. about 30. The bomb went _________ with a loud bang which could be heard all over the town. A. out B. off C. after D. on 31. Whenever the problems come __________, we discussed them frankly and solved them quickly. A. up B. for C. out D. on 32. Who looks __________ the children when you are going ________ from home? A. out of/ on B. up/ off C. for/ out D. after/ away