(2013·高考浙江卷)During the last three decades，the number of people participating in physical fitness programs ________ sharply.

---Hi, let’s go skating. --- Sorry, I’m busy right now. I _______ in an application form for a new job.

—I phoned you at 7 yesterday evening but nobody answered.— Oh, I ______ my dog in the park then.

Although the Eiffel Tower ______ to last for 20 years, it is still standing today.

 --- Liu Yi, do you miss your parents? I hear that you go back home once every month. ---Of course. You know this is the first time I_____ in the dormitory at school, far away from my hometown, Luoyang.