3. It was a challenge, but luckily we had enough experience to draw upon.

2. The wounded soldier tried to make contact with his troops, but he failed at last.

5. have been working

B. 1. allowed; permitted　 2. allowed　 3. permits

7. symbolic　 8. Heritage

10. When the students 　　　　　　　in class, they often ask their teacher at once.

A. get right to the point

B. miss the point

C. are to the point

D. are on the point

9. The problem was not 　　　　　seriously by the public, which brought about the tough situation.

A. taken　 B. made　　　　 C. figured　　　　　 D. supposed

8. He had prepared well for the coming exams, but 　　　　　　　he fell ill and missed the exams.

A. by all chance　　 B. all over again

C. all of a sudden　　　 D. at once