— As we know, keeping positive is beneficial to the process of our work and study.— You can say that again. Struggle not to let negative ideas_______.
The ____ tall pole cast a ____ long shadow.
_____ from the past performance, he is not likely to do very well in his exam.
The two leaders have _____ the foundations of a new era in cooperation between their countires.
Rainforests___________and burned at such a speed that they will disappear from the earth in the near future.
The boy is most___________to make a great difference in the future, because he is so bright. Besides, he works extremely hard.