21. I have enough food in the house, so I needn’t __________ to the shop tomorrow. A. to go B. will go C. go D. going 22. This orange tastes __________ . A. sweetly B. sweety C. sweet D. sweets 23. I think Nam is __________ honest boy in our class. A. a B. an C. the D. this 24. Lan looks red. She was outdoors yesterday. Perhaps she has __________. A. flu B. sunburn C. spots D. stomachache 25. People do voluntary work because they expect it makes a __________. A. profit B. donation C. volunteer D. difference 26. Mrs Lan __________ just __________ her car __________ . A. have-had - sevice B. has – had – to service C. has- had - serviced D. had- had- serviced 27. She was not used __________ on the left in London at first , but now she gets used to it. A. drive B. to driving C. to drive D. both B and C are correct 28. Lunar new year is the most important __________ in Vietnam. A. occasion B. festival C. celebration D. both B and C are correct 29. She often feels __________ when she hears ghost stories. A. terrified B. terrifying C. terrify D. terrible 30. There __________ fewer road accidents since the government forced the public to wear helmets. A. have been B. are C. has been D. were