Sustainable development is long-term ____ which focuses on the environment and _
题型：同步题难度：来源：
Sustainable development is long-term ____ which focuses on the environment and ____ natural
resources. |
| [ ] |
A. plan; preserve
B. plan; preserving
C. planning; preserving
D. planning;preserve |
答案
| C |
举一反三
| It was _____ the second-hand bus that the mechanic spent the whole afternoon in the factory. |
| [ ] |
A. in repair
B. repaired
C. repairing
D. to repair |
| Lydia doesn"t feel like ____ abroad. Her parents are old. |
| [ ] |
A. study
B. studying
C. studied
D. to study |
— Robert is indeed a wise man.
— Oh, yes. How often I have regretted _____ his advice! |
| [ ] |
A. to take
B. taking
C. not to take
D. not taking |
| It"s no use ____ without taking action. |
| [ ] |
A. complain
B. complaining
C. being complained
D. to be complained |
| ____ help the people in the snowstorm in the south made him worried. |
| [ ] |
A. Not known how to
B. Unknown what to do to
C. His knowing not how to
D. His not knowing how to |
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