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句型转换IhaveahardtimelearningmathIhaveahardtimelearningmath.I________learningmath.
句型转换Ihaveahardtimelearningmath
Ihaveahardtimelearningmath.
I________learningmath.


句型转换IhaveahardtimelearningmathIhaveahardtimelearningmath.I________learningmath.
句型转换Ihaveahardtimelearningmath
Ihaveahardtimelearningmath.
I________learningmath.
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