You can guess what my favourate food 为什么?

问题描述:

You can guess what my favourate food 为什么?

不对.句子做宾语的话,要是个完整的句子,即使有疑问词也要是陈述语气,而你给的句子,宾语不完整,少了系动词.
应该是:
You can guess what my favourate food is.