1．A ______ （代表） from the “ Green Peace” is said to give a talk about protection of wild life tomorrow morning.

2．What was it that ________（区别） her from her classmates?

3．Yesterday we learned a law _______（追溯） back to the 17th century.

4．The ring is one of her most treasured _______（所有物）.

5．He glanced briefly towards her but there was no sign of _______（认出）.

6．This is a small town l_______ 30 miles south of Chicago.

7．The infrastructure of a country is what makes everything run s_______, including things like transport, electricity, telephones and so on.

8．S_______ by the Revolution in 1789, France became a different country afterwards, and today, it is still guided by those principles.

9．The student is excellent in t______ of study, but he has his character shortcomings.

10．These days she was very busy. She o_______ herself in writing 5 English reports.