题目

根据句意，从方框中选择恰当的单词填空，有的需要变换形式。 choose, support, enter, professionalchoose, support, enter, professional 【1】Marcus has been working hard because he wants to ______ a famous university.【2】We should let our daughter make her own ______. She isn't a child any longer.【3】I'd like to be a(n) ______ singer, but I don't think I've got a good voice.【4】After thinking about our suggestion for a few days, the manager decided to ______ the project.在设计旅游活动方案时，旅游路线是很重要的一环，一般来说，要将旅游路线设计成 [　　] A．环形，尽量避免往返路线的重复 B．直线形，尽量避免起点和终点的重合 C．往返同线，这样比较熟悉 D．旅游路线无关紧要，旅游景点越多较好