问题描述：
几道英语语法选择题
‘Thank you for your parents.'said KATE,____happliy.
A.smiled B.smiling
It known that to all that___light travels faster than___sound.
A the,the B.\,\
I go to__shcool on foot because my home is near___school.
A.\,\ B\,the
‘Thank you for your parents.'said KATE,____happliy.
A.smiled B.smiling
It known that to all that___light travels faster than___sound.
A the,the B.\,\
I go to__shcool on foot because my home is near___school.
A.\,\ B\,the
问题解答：
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