用关系词或括号内单词的正确形式填空
1. The book __________ he is reading is very interesting.
2. I live next door to a couple __________ children often make a lot of noise.
3. I won't do anything __________ harms our friendship.
4. This plan which everyone thinks __________(be) practical will be carried out soon.
5. Happiness and success often come to those __________ are good at recognizing their own strengths.
6. He needs a big box in __________ he can put some of his things.
【答案】1. which/that 2. whose 3. that 4. is 5. who 6. which
