Why not meet Diana today— I am sorry to tell you that she has been ________ from our company.

下列加横线字的注音完全正确的一项是（ ）

__________________Premier Li, the poor people have big houses to live in.–We wish them to live a better life in the future.

A great explosion _______ in achemical factory in Hangzhou several months ago.

Parents should pay attention to the cases_______ their children have difficulty adapting to new surroundings.