With many forests being destroyed, huge quantities of good earth ______ each year.
| A．is washing away | B．is being washed away |
| C．are washing away | D．are being washed away |
---- Why was the official meeting called? ---- ______ new officers.
| A．Select | B．Selecting | C．To select | D．For selecting |
Because of air pollution being greatly reduced, this city is still ______.
| A．a good place which to be lived in | B．lived as a good place |
| C．a good place to live in | D．living in as a good place |
---- I didn't hear you come in last night. ---- That's good. We tried_____ noisy.
| A．not be | B．not to be | C．to be not | D．to not be |
---- I'll help you whenever you need me. ---- Good. I'd like _____me tomorrow.
| A．you helping | B．that you will help | C．you to help | D．that you help |
---- Have you enjoyed your visit here? ---- Yes, I'll be very sorry______ .
| A．for leaving | B．of leaving | C．to leave | D．with leaving |