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
用适当的关系词填空1.Water is a liquid,the boiling point of ________ is 100℃
2.This is the t