定语从句练习题 一. 用适当的关系代词或关系副词填空 1. The house _______/_______/_______ we live in is very big. 2. The boy ______/_______ is wearing the black jacket is very clever. 3. This is the present _____/_______/_______ he gave me for my birthday. 4. The man ______/________ talked to you just now is an engineer. 5. He talked about the teachers and schools _______ he had visited. 6. There is nothing in the world _______ can frighten him.