Have the students been busy------ a fashion show these days?

Have the students been busy------ a fashion show these days? The students of Class One ______ （have ） a fashion show now. I have been very busy the last few days i have been busy these days and i have to sleep ____ (little have you ever had a school party?these days the students I don't have any e___ time.I've been quite busy these days I have been very busy these days.中文意思?3Q all these last few days,we have been busy fighting drought. "what have you been eating these days?"the doctor asked. We have been cleaning the house these days. The police have been observing his movements these days students these days often have a lot of worries.