✔ 最佳答案
Mummy gave me some biscuits as snack. (It is better not to use “for a snack” because it sounds a little strange.)
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The reason for developing Country Park are to preserve the natural environment and at the same time provide recreational and educational facilities in the country side.
2008-05-03 03:47:43 補充:
The reason - should be changed to reasons (since there are few reasons)