这有3道题目我不会做怎么办?

问题描述:

这有3道题目我不会做怎么办?
I am going to have a long holiday.(改为一般疑问句)
Tim went to Australia yesterday.(改为一般疑问句)
Kate and Bob were in Beijing (for two weeks).对括号部分提问

Are you going to have a long holiday
Did Tim go to Australia yesterday
How long were Kate and Bob in Beijing