Ⅰ. 单句语法填空
1. There is no heating available due to fuel shortages (shortage).
2. We had great trouble making him understand (understand) what we taught him.
3. He really made a great difference to the world by his own efforts.
4. Training didn’t result in good results and was much less effective(effective)than expected.
5. Marie Curie made great contributions(contribution) to the development of science, but money and reputation made no sense to her.
6. Many countries in Africa are developing (develop) countries.
7. His plan was to become (become) an engineer at first but he became a famous singer at last.
8. The boy donated all his pocket money to the charity.
9. What was once regarded as impossible has now become a reality (real).
10. One day, the potter forgot to take the rope, with which he tied the donkey every day.
