1 chọn một phương án đúng A,B,C,D để điền vào ô trống trong đoạn văn sau Halloween is a holiday . It is on the night of October 31st . It is .............................(1) in many Enlish Speaking countries . Children say " trick or treat " to ask for candy , This comes from a theat . It mean : " Give me a treat ........................(2) I will play a trick on you " . Children today do not ...................(3) do the tricks if they don't get treats . But some children still do mischief playful pranks or things to make fun of people like putting toilet paper in trees or writing .................(4) soap on windows . In these countries Holloween is about ghosts , witches , goblins , and other scary things 1. A. presented B. proposed C. celebrated D. played 2. A. and B. but C. or D. because 3. A. never B. sometimes C. just D. usually 4. A for B.with C.often D. on to