【题目】The heavy foggy weather made all the passengers ________ overnight at the airport.

【题目】Old people__________ much sleep every day.

【题目】我国面积最大的省级行政区是（ ）

【题目】我国年降水量的分布规律是（　　）

【题目】He has never__________ to another country

【题目】He doesn't like music. He knows only__________ about it.

【题目】We must__________ rubbish. We should__________ the environment clean.

【题目】What__________ they have brought us!

【题目】How many__________ are there on the team?

【题目】__________ the trees in the west have been cut down in the past few years.