---- Is there a vaccine _____ pig influenza?, I’m anxious to know.
----- Don’t worry, there is a vaccine _____ for pigs against pig influenza
| A．for; available | B．against; use | C．to; access | D．against; available |
Please come to visit me if _________________.
| A．you are convenient | B．it is convenient of you |
| C．you are for convenience | D．it is convenient for you |
---Why do you look so sad?
---There are so many problems_______.
| A．remaining to settle | B．remained settling |
| C．remaining to be settled | D．remained to be settled |
Even the __________ doctor couldn’t cure him __________ his deadly disease.
| A．experience; of | B．experienced; of |
| C．experience; with | D．experienced; with |
As we all know, the father __________ for the spoilt child.
| A．is to blame | B．is to be blamed |
| C．blamed | D．blames on |
The film star was surrounded by the audience ___________ he stepped off the stage.
| A．at once | B．the instant |
| C．now that | D．at the moment |