__________ do you go to concerts? — It’s hard to say, maybe once a month. [ ]

I am staying __________home ________next week. [ ]

Is this the reason __________ at the meeting for his carelessness in his work?[ ]

Has Kate gone to the museum?— Yes, not only she but also her mother ____ gone to the history museum.

It was on June 10,2013＿＿＿Shenzhou-10 spacecraft was sent up into space.