A. choosing
B. to choose
C. selected
D. selecting

A. crossing
B. cross
C. crossed
D. to cross

A. publishing
B. published
C. printed
D. printing

A. Caught
B. Catching
C. To catch
D. Catch

1. The headmaster wants to have the opening speech d______ by our English teacher next month.
2. Dr Yuan searched for a way to increase rice harvests without _____ (擴(kuò)大) the area of the fields. 
3. The problem is so ______ (令人迷惑) that few people can work it out.
4. There is a general ______ (信念) that things will soon get better.
5. The boy lifted the stone with all his ______ (力量).
6. Many of the young ______ (一代) enjoy foreign music and films.
7. I know you don`t like her but try not to make it so ______ (明顯).
8. A recent survey showed that 53.3 percent of China's middle-class people were not s______ (滿意) with
    their physical and mental conditions. 
9. World Expos have excited and______ (鼓舞) more and more people in the world. 
10. By r______ (減少)excess emissions (過度排放) of greenhouse gases, we can put the low-carbon
      lifestyle into practice gradually.

1. He was a______ a gold medal for his great contribution to the country.
2. You had better ______ (咨詢) your doctor about your headache.
3. On the ______ (到達(dá)) of the famous singer, all his fans began to cheer loudly.
4. Our boss could have sold more goods if he had promised to offer a 40% ______.
5. As the minutes ticked away they began to lose ______ (耐心).
6. It was just _______ (難以置信的) that I got the highest mark in my test.
7. The ticket p_______ three people to go into the exhibition.
8. The child was found _______ (閑逛) on the streets alone.
9. The proud man said he would rather s_______ to death than beg for food.
10. We consider it necessary to c_______ theory with practice.