The hottest continent, Africa has a lot of resources, ______ are still undeveloped.

填在下面横线上的句子，排序最恰当的一项是（ ）中国哲学有极丰富的文化遗产， 。我们常听人说 ， ， 。也有人认为 ， 。这两种看法都有根据。①孔子的思想与今天中国的现代化关系不大 ②孔子、老子等思想流派到今天还有影响③首先要发扬孔子的哲学 ④孔子思想影响了中国两千多年⑤倒是有些保守思想是孔子哲学造成的 ⑥要继承中华民族的优良传统

Look at Helen in the room.She is still working so late. 一 It _____be Helen there. She has flown to London with her parents this morning. [ ]

What do you think of the film 2012?—Well, it’s not bad. At least it’s ________ the one I saw last week with Jean.[ ]

doctor is ______ this afternoon, I willtake my little daughter to him for a thorough checkup.