除去CO2中的少量CO ，常用的方法是 [ ] A．把混合气体通入水中 B．把混

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When people travel abroad(国外), they sometimes stay in the homes of the local people. This is a homestay.
I am living with an old English couple, in the west of London. They have a clean four-bedroom house. This is a new house. It has two bathrooms and a garden with many beautiful flowers. I have a bedroom of my own.
There are some shopping centres and a restaurant next to the house, and the house is close to an underground station. It takes about 30 minutes to take an underground to the centre of London.
I think a homestay may be a good choice for you if it is your first time to visit abroad. The local people are friendly and ready to help. If you want to celebrate the holidays with them, you will get to know more about their culture and customs.

What a homestay is	When people travel in another  小题1: . people stay in the homes of the local people.
Where my homestay is	I live with an old couple in the  小题2: part of London. It is a house with four  小题3:  and two  小题4: . There is a garden with many beautiful  小题5:  in it. The house is new and  小题6: . There are some shopping centres and a restaurant 小题7:  the house. It takes about half an hour to get to the city centre by  小题8: .
What the local people are like	They are friendly and  小题9: .
小题10:  a homestay is good	It is a good choice to learn about culture and customs in the west if you go abroad for the first time.