Some tourists’ visiting Tian’anmen Square during the holiday left a ________ of litter everywhere they went.
| A．trail | B．dot | C．chain | D．track |
Crops died of drought for ____________ water.
| A．lack | B．lacking of |
| C．a lack | D．lack of |
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 |