With more 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 |
22. One learns a language by making mistakes and ______ them.
| A．correct | B．corrects | C．correcting | D．to correct |
35. Although they met with difficulties, I hear that they’ve succeeded _______.
| A．at all | B．in all | C．first of all | D．after all |
32. ---Why didn’t you buy that T-shirt?
---I dislike the pattern. ______, the colour didn’t suit me.
| A．Besides | B．Otherwise | C．Therefore | D．Instead |
29. ______ that I made a mistake, I made an apology ______ him.
| A．Realized; to | B．Realize; for | C．Having realized; to | D．Realizing; for |
28. ______ on the top of the tower, and you can see the whole city.
| A．Standing | B．To stand | C．Stood | D．Stand |