填空题
- A. imaginatively
- B. recently
- C. carefully
- D. unscientifically
- E. accidentally
- F. satisfactorily
填空题
In ancient times, rainmakers tried to make rain for dry lands, but 1.
填空题
Schaefer found a way of how to make ice crystals 1.
填空题
Schaefer successfully made a field experiment on rainmaking after planning 1.
填空题
Man did not succeed in making rain until quite 1.