She tries her best ____ (keep)in touch with her old friends.
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根据示例改写句子。Example: They build this hotel with a lot of ice and snow.This hotel is built with a lot of ice and snow (by them).The waitress will bring you a cup of coffee as soon as possible.
They serve breakfast at 7:00 am.
The bellboy brings the customers'bags to their rooms.
The workers painted the room red.