Having finished his morning work, the manager stood up behind his chair, _______ himself.

He hid himself behind the door to avoid _____.　　

Having studied in America for three years, the young man didn’t change much, ________ a bit fatter.

Chinese mothers are always using other people’s achievements as model       their own children to achieve the same standard.

--Do you have any trouble _____the work? ---No． in fact we have finished it already．