问题描述：
1.What did your parents give you as a present ___ your birthaday?
A to B for C at D with
2.Two hours ___ enough time to finish reading the book?
A is B are C were D was
Thank you very much for the invition同意句
Thanks ___ ___ for the invition
A to B for C at D with
2.Two hours ___ enough time to finish reading the book?
A is B are C were D was
Thank you very much for the invition同意句
Thanks ___ ___ for the invition
问题解答：
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