问题描述：
1、Do you know the answer____ the question.
A to B of C at D in
2、Thank you _____me.
A for help B for helping C at helping D to help
3、Go _____the street and turn left _____the second crossing.
A long at B away to C along at D along to
A to B of C at D in
2、Thank you _____me.
A for help B for helping C at helping D to help
3、Go _____the street and turn left _____the second crossing.
A long at B away to C along at D along to
问题解答：
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