1．用would，used to填空
(1)I ________________ have an old bike.
(2)When we were children，we ________________ go skating every winter.
(3)There ________________ be a tall tree in front of our classroom.
2．用date back to，date back的适当形式填空
(1)The picture ____________________ the Ming Dynasty.
(2)The history of this town ________________ hundreds of years.
(3)That ________________ only a few decades.
Ⅳ.用适当的关系代词填空
1．Chen Zijiang is a paper－cutting expert ________ I interviewed for my article on Chinese Art.
2．Paper－cutting is something ________ he learned to do from an early age.
3．Paper cuts of animals have been found in tombs ________ date back to the time of the Northern and Southern Dynasty.
4．Mr.Chen went on to explain that there are three types of paper cuts ________ people still make today.
5．A present for parents ________ child has recently been born might show a paper cut of children，for example.
