题目内容
My grandparents who have been living in countryside for almost 60 years usually buy some extra supply of coal in ________ of cold winters.
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There are a couple of soldiers ________ guard at the gate, to prevent anyone getting in without permission.
If the besieged condition went on, anyone including a flying bird would not survive, with all the food _________.
Harry has developed the habit of writing ________ since the day of being enrolled as a soldier.
It wasn’t ________ he told every one of us about his relationship with the homeless woman.
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