1.Which kind of sport are you good at?2.What is your favorite hobby?3.I will watch you silently though I do not contact you often.4.What do you usually do after lunch?谢谢帮忙，which kind of 后面能跟复数 sports 吗？谢谢 what kindof ...怎样。我认为第一个还是用单数好一点。。what kind……也是差不多的。。但是which更好一点，有种给人选择的余地的感觉