I have reached a point in my life ______ I am supposedto make decisions of my own.

The students _______ busily when Miss Brown went to get a book she _______ in the office

在下面一段文字横线处填入语句，衔接最恰当的一项是我们只有知道一个国家人民生活的乐趣，才会真正了解这个国家， 。 。 ， ，我们才会看到一个内在的人，看到他真正的自我。①只有当一个人开始做他所喜欢做的事情时，他的个性才会显露出来②正如我们只有知道一个人怎样利用闲暇时光，才会真正了解这个人一样③精神可以随心所欲地游荡之时④只有当社会与公务的压力消失，金钱、名誉和野心的刺激离去

When shall we start —Let’s_____ the time for the trip What about 8:30 Is that all right

mind, the collaborative development of Beijing, Tianjin and Hebei province is to solve the problems _____ Beijing faces, such as overpopulation, traffic jams, and etc.