1.先行词是the subjects,是物,所以选C that
2.B 首先排除A、C,因为在没有前后文的情况下,who应该单三,而want不用进行时,所以只能选B
3.want to,to是不定式,排除BD,move to someplace,选C
4.相当于I want to do the things that I want to do,所以将D项改为do就对了
5.be going to do表示有计划的准备去做某事,will do 往往是临时决定去做,而此句话是There be句型,选D