Period Three Grammar
基础落实
Ⅰ.用“介词＋which/whom”填空
1．The pen ________________ he wrote was broken.
2．The age ________________ children go to school is seven.
3．This is his work ________________ he devoted all the energy.
4．He had a son ________________ he took pride.
5．She has three children，all ________________ are at school.
6．He bought a book yesterday，the author ______________________________ is a teacher.
7．Wu Dong ________________ I went to the concert enjoyed it very much.
8．Her bag ________________ she put all her books has not been found.
9．He is always ready to help others, ________________ everyone around him is grateful.
10．Wind power is an ancient source of energy ____________ we may return in the near future.
Ⅱ.用适当的关系词填空
1．Water is a liquid，the boiling point of ________ is 100℃.
2．This is the theatre ________ we’ll visit a wellknown pianist.
3．I still remember the night ________ she left the house.
4．The reason ________ he was absent is that he was ill.
5．The scientist about ________ we are talking has gone abroad.
6．The ice on ________ you skate must be very hard.
7．The town around ________ I will show you is very beautiful.
8．The room ________ we took pictures is dusty.
Ⅲ.用适当的关系词或“介词＋关系代词”合并下列句子
