James is busy practising forthe school concert.They have fun riding with their friends.这里的practising, riding都是分词形式(没有介词,不是介词+V-ing形式),在句中和前面内容的连接感觉不是很紧密,这里的成分应如何分析?这种分词的内容可以...
I have no idea ____ the journalist has gone.A. whetherB. whereC. whenD. that这道选择题的答案是选择B(where),个人感觉选择A(whether)、C(when)和D(that)也可以,烦请老师和网友帮助剖析一下解答此题的思路。非常感谢!