【题目】The experts（专家）tried to make the Xi'an-Chengdu high-speed railway have the least __________ on the wild animals around.

【题目】—Tom, can you answer the door? __________ is knocking the door.

【题目】We couldn’t find out__________， so we asked a policeman.

【题目】I like the music______ I can dance________.

【题目】There’re too many clothes in the shop. I really can’t decide .

【题目】He wrote his________ novel in his _______.

【题目】I was so angry at all_________ he was doing____________ I walked out.

【题目】This is the house_______ our beloved Premier Zhou once lived and worked.

【题目】I can never forget the day_________ we worked together and the day______ we spent together.

【题目】This is one of the best films__________.