Rewrite these sentences, putting the verbs in the passive. 1) The children can read books.

Books
by the children.

2) Tom must open the window.

The window
by him

3) Kate has to learn geography.

Geography
by Kate.

4) The students must answer a lot of questions.

A lot of questions
by the students.

5) We should call the police at once after the accident.

The police
at once after the accident by us.