Only when people have enough to eat and plenty to wear _______ to talk about environmental protection.
| A．it makes sense | B．does it make sense |
| C．that it makes sense | D．do they make sense |
The big fire in Shanghai, believed to ________ due to the burning of construction materials, caused 58 deaths and destroyed all the belongings of the people there.
| A．have occurred | B．occur |
| C．have been occurring | D．be occurring |
With more trees being destroyed, huge quantities of soil ________ each year.
| A．are washing away | B．is being washed away |
| C．has been washed away | D．are being washed away |
With a lot of difficult problems_________, they are working hard day and night!
| A．settling | B．to settle |
| C．being settled | D．settled |
--What’s the event like?
--Several witnesses’ _______differ from the official version.
| A．accounts | B．opinions |
| C．description | D．explanations |
So much of interest ________ that most visitors run out of time before seeing it all.
| A．offers Beijing | B．Beijing offers |
| C．does Beijing offer | D．Beijing does offer |