Frank almost never received any education,____?

_____, he can now only watch it on TV at home. 

The minister of finance is believed _____ of imposing new taxes to raise extra revenue.

When the police officers who took part in the King beating were first brought to ___________,their lawyers used the videotape as evidence against the prosecution.

Ifasubstanceisdissolvedinwaterorheated，itmay（）agas.