【题目】It’ s dangerous to climb the mountains or hills _____ cold and snowy days.

【题目】The boy’s mother is ________. He has to look after his _______ mother at home.

【题目】Your new flat is the same size as ________.

【题目】--____ does it take them to go to the city centre by bus?

【题目】The mountain is so high that it's difficult for us to________ air on the top of it.

【题目】(2017，黔东南) Kaili is one of the most beautiful ________ in Guizhou.

【题目】—Which one do you like ________？

【题目】---Could you tell me _____________for Nanjing ?

【题目】The children decide their school yard this Friday afternoon.

【题目】—What's ________ mountain in the world?