Kate was not at school for three days.
题目
Kate was not at school for three days.
Kate was ( ) ( ) ( )for three days.
答案
Kate was not at school for three days.
Kate was ( absent ) ( from ) ( school )for three days.
absent,缺席的,不在的.
举一反三
已知函数f（x）=x，g（x）=alnx，a∈R．若曲线y=f（x）与曲线y=g（x）相交，且在交点处有相同的切线，求a的值和该切线方程．
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