I was cooking in the kitchen when Dora returned, her face _________with mud and sweat.
| A．covering | B．having covered |
| C．covered | D．to cover |
It’s wise to handle the ____________ between nations in a peaceful way.
| A．condition | B．control |
| C．confusion | D．conflict |
I think it a little __________ to finish so much work within 30 minutes.
| A．challenging | B．challenge |
| C．challenged | D．challengingly |
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 |
---Will he come to our dinner?
---He says that he will not come ________.
| A．unless being invited | B．if inviting |
| C．unless invited | D．if invited |
____ many times, but he still doesn’t know how to do it.
| A．He has been told | B．Having been told |
| C．Having told | D．Being told |