请问 Have a glass of whisky then .请问这里为什么有个then?去掉可以吗?

请问Only then will I have a chance to achieve my dream.中为什么用倒装 glass of whisky什么意思其中whisky then have a care. You have plenty of time on your hands.请问plenty of可以去掉吗? only then will i have a chance of achieving my dream.为什么will 根据首字母填空,The baby girl drnk a glass of milk at night and then until then请问是什么意思呀, only then will I have a chance of achievingmy dteam. Have you finished already?请问这里把already去掉是不是也可以呢? 请问Since then 和 After then 和 After that 这三个有什么区别啊? 请问then the guide taught us how to make a model robot.中的to有什么 what a worry that child is 请问为什么有个a 去掉不行吗