she will be an actress( )two years

题目

she will be an actress( )two years
she will be an actress( )two years .
为什么用in而不用after?
he said he found learning chinese( )because he couldn't understand people
为什么用frustrating而不用frustrated

答案

she will be an actress( )two years .为什么用in而不用after?he said he found learning chinese( )because he couldn't understand people为什么用frustrating而不用frustrated(1介词IN 加时间段表示将来； AFTER ...