The motorway was closed because of fog; as a result we had to find an ________ route.
| A．impressive | B．effective |
| C．aggressive | D．alternative |
Be careful when you cross this very busy street. If not, you may ____ run over by a car.
| A．have | B．get | C．become | D．turn |
I feel it is your husband who ___ for the spoiled child.
| A．is to blame | B．is going to blame | C．is to be blamed | D．should blame |
. The silence of the library ___ only by the sound of pages being turned over.
| A．has been broken | B．breaks | C．broke | D．was broken |
Take care! This kind of glass ___ easily.
| A．is broken | B．was broken | C．breaks | D．has been broken |
When we returned from the ball, we found that our house ___ and many things __
| A．has broken into; has been stolen | B．has broken into; had been stolen |
| C．had been broken into; stolen | D．had been broken; stolen |