I didn't pass the math exam last time 改为同义句I () () pass the math exam last time
问题描述:
I didn't pass the math exam last time 改为同义句I () () pass the math exam last time
答
I failed to pass the math exam last time .
fail to 表示未能.没能做成的意思 、加ed 就是过去时了 ,因为后面有个last time在句尾