The building has ________ floors and my classroom is on the ________ floor.A. four, fourB. fourth, fourC. four, fourth
Mark and Jackwork hard. Their parents and grandparents truly care about them.
---Where did you go on vacation? ---I Guangzhou.
---_______do you have an art festival in your school? ---Once a year.
)In which pair of the words, the underlined parts pronounce differently?
Tony answered all the questions ________ the most difficult one.