pat the verbs in brackets into the correct passive from.
3.The mystery of the moving stones in Death Valley ...........(not/explain) yet.
4.The details for the trip to the Cryptozoology Museum........(discuss)right now.
5.The film is about a scientist who believes that in the future,Earth .........(take over)by aliens.
6.James was waiting patiently while his takeaway meal ...... (prepare)
7.Tickets for the London Ghost tour should ........(book) in advance.