Children's Day is coming. Mrs. Lee is going to buy some DVDs for her son, ______

单项选择题— What did your parents think about your decision— They always let me do ______ I think I should．

单项选择题— Have you seen the TV play My Ugly Mother — Yes, it's well worth ______. It's ______ moving that I've seen it twice.

单项选择题Nearly ______ of the earth ______ covered by se

单项选择题I ______ I would win the first prize of the competition.

单项选择题心理学作为一门独立学科诞生于( )年。