可以问How long are you going hiking?

可以问How long are you going hiking? How long are you going for? How long are you going to do here? how long are you going to stay in Bangkok?答语 How long are you going to s____ there? --"How long are you going to be away?"--"For_____" How are you going? How are you going How long are you going to arrive in/at?是错的,应是How long are yo How long are you going to arrive in/at?是错的,应该是How long are y Who are you going hiking with?My ____ class. 问你啊今天老师讲了一个补全对话.有一个句子我不太明白.就是How long are you going to stay