He worked hard at his study, and _______, he passed the exam easily.

Someone is knocking on the door. Is it Nancy—It be Nancy. She has gone to Shanghai on business.

How do you like this park— It’ wonderful. I never dreamed of____ such a quiet place in this noisy city.

There is no need _______ and it’s no use __________ there too early

下列句中加点词语发生活用的情况不同其它三项的是（ ）