It is__to go underground than bus in Shanghai A.much quicker B.quick C.more quickly D.much quickly
问题描述：
It is__to go underground than bus in Shanghai A.much quicker B.quick C.more quickly D.much quickly
答
A to...是真正主语,填空是作表语,所以应该是形容词,排除C和D
然后有than引导的比较结构,应该是形容词的比较级,所以选A