Помогите составить вопросительные предложения на английском, пожалуйста~
Даю 20 балов))

Спасибо~После проверки тогда отмечу^^

1) What happened to that young beautiful lady? 2) How long has she been waiting for us? 3) How are is it to the nearest gas station? 4) Why didn’t you come to our meeting? 5) How many guests do you know will come tonight?6) How much does that Japanese green vase cost?7) May I smoke in this room?8) Can you give me a ride? 9) Should we do coffee break before it? 10) When will he be here again?