Let’s play computer games.——________________

Why do you always go to Zhejiang University on weekends— Because there’re lots of great speakers I can practice English in the English Corner there.

People all over the world have a dream ______they will always live a peaceful life.

What have you been busy with these days—I _____ of the speech contest, so I _____ for it.

下列各组词语中，划线字的注音和字形全都正确的一项是（ ）