18. We are going to plant the trees along the river _____ weekends. * 1 điểm A. in B. for C. on D. about 19. Nowadays in the big cities, vehicles are getting _____. * 1 điểm A. more modern B. a lot of C. the busiest D. the most crowded 20. Vietnamese is a language he first learnt to speak as a child. It is his _____. * 1 điểm A. language B. the first C. second language D. mother tongue 21. Martina has been a professional tennis player _____ 1994. * 1 điểm A. since B. for C. on D. in 22. We are very _____ of our parents and teachers. * 1 điểm A. excited B. meaningful C. proud D. interested 23. My grandfather often wears _____ clothes on the Tet holiday. * 1 điểm A. same B. traditional C. magical D. normal 24. Cinderella was very happy with the _____ of the fairy. * 1 điểm A. escape B. precaution C. talk D. apprearance 25. When babies first learn to stand, they hold on something to help _____. * 1 điểm A. themself B. themselves C. theyself D. itself 26. He _____ a message saying he would probably be a little late. * 1 điểm A. left B. took C. followed D. called 27. Unlike Lan, her sister has a lot of friends. She is _____. * 1 điểm A. reserved B. hard -working C. creative D. sociable