It is difficult for children to change their eating habit later in life________，parents should encourage healthy eating from an early age

your sister work as a teacher in Canada —No, but she once _________there for five years．

－Isit OK to take this seat －Sorry_______

It snowed heavily last night and we had to use thick sticks to _____ the roof of the hut.

rd “media” basically refers to ________ we commonly call newspapers, magazines, radios and televisions.