khoanh tròn vào đáp án đúng 23. they were very..........with that people have done to the beach A. dissappoint B. dissappointing C. dissappointed D. dissappointment 24. A: "your dress is so beautiful !" B:"..............." A. yes please B. no, i don't mind C. i hope so D. it's nice of you to say so 25. sue is the...........student in my class A. intelligent B. as intelligent C. more intelligent D. most intelligent 26. choose the CLOSEST meaning to the underlined word: all the trash is treated carefully, so the environment is fresh A. contaminated B. dirty C. clean D. poisoned 27. i have an appoinment with professor lee........may 20th A. in B. on C. at D. for 28. i wish i..........near my school A. live B. lives C. lived D. living 29. A:"who is she ?" -B: "she is my........" A teacher B. vietnamese C. english D. teachers 30. lan:".............is your eldest brother ?" -peter:"he is 25" A. how old B. how much C. how far D. how long làm xong các bn giải thích từng câu nhé :))