They arrived Shanghai Sunday afternoon.A. in; in B. at; in C. in; on
_______he is very young, _______ he can do many things.
Mark and Jack work hard. Their parents and grandparentstruly 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?