选择下列所给疑问词，完成对话。
what, when, who, where, how
（1）—________ did you go on your holiday?    —I went to Xinjiang.
（2）—________is the matter, Mike?      —I have a fever.
（3）—________tall are you?        —I am 165cm tall.
（4）—________did you go hiking?   —Yesterday.
（5）—________is heavier than you?   —Zhang Peng.