Fill in the gaps with the correct form of to be

Fill in the gaps with the correct form of to be going to.
E.g.The children...visit the museum.(+)
The children are going to visit the museum.
1.The guide...........speak about interesting places of London.(+)
2. ...........Aisha.......... get on an open top bus.(?)
3.The boys..............take a picture in the museum.(-)