根据句意，用所给动词的适当形式填空。
Peng Liyuan is the first Chinese first lady _______(invite) another country's first lady to visit China.
It would be great to have robots _______ (do) all the housework for us.
It’s said that the new film directed by Feng Xiaogang ______(film) in two months.
My brother, Jimmy graduated fromYancheng Teachers College in 2007, since then he _______ (be) a teacher in Yancheng.
The novel she devoted most of her lifetime to _____(come) out last month.