Who________ for the pollution of our earth?
| A．should blame | B．is to blame | C．is blame | D．is to be blame |
What did he want to know，Anne?
-- I became the NO. 1 highest paid movie star last year.
| A．How was it that | B．It was how that | C．It was how | D．How it was that |
These new facts, together with other ,prove the prisoner guiltless(无罪的).
| A．impression | B．reality | C．symptom | D．evidence |
A good idea _________ to him, and he knew _______ to do next.
| A．happened , what | B．appeared ,how | C．occurred ,what | D．arrived ,how |