【Iwas23andstudyingtobeateacherwhenfriendsnoticedIwasslurring（含糊地发音）myspeechandlosingmybalance．Myconcentration（16）___anditfeltasifmybrainwasslowingdown．Iwas（17）___tofindananswer，anda】
I was 23and studying to be a teacher when friends noticed I was slurring （含糊地发音）my speech and losing my balance． My concentration（16）___ and it felt as if my brain was slowing down．
I was（17）___ to find an answer，and after countless tests，I was finally diagnosed with multiple sclerosis （多发性硬化症）． It was a （18）___，but I was relieved finally to find out what was wrong with me．
Soon after my diagnosis，I decided to （19）___ teaching，the only career I had ever wanted to chase． It was a destructive decision，but I couldn't see a（n） （20）___． Over the next seven years，my symptoms didn't （21）___，but they came and went，which is （22）___ of multiple sclerosis．Eventually，I felt well enough to （23）___ a job as a teaching assistant． I was glad to be back in education，but living with the （24）___ meant that I was never going to live my dream of being a teacher．
Then，13years after my （25）___ diagnosis，a doctor told me that in fact I did not have multiple sclerosis． I was very （26）___． I pictured all those years bed-bound，the injections （注射），the impact on family and （27）___，and all for what？I demanded answers but the doctor's replies were （28）___． He suggested that my symptoms may have been caused by a lack of vitamin D． And there was no （29）___．
I （30）___to the hospital，but no action was taken． I went to a lawyer，but because it was a hard case to prove，I couldn't get （31）___ aid． However，accepting that my life was no longer （32）___by the illness had the biggest effect on my recovery．
I started the journey back to becoming a （33）___ and completed，a four-year Open University degree in two years． I wanted to （34）___the time I had lost in my 20s． I've just started a new job in a large primary school． I try to forget the accident． What （35）___ is who I am now．
16． A． increasedB． slippedC． disappearedD． lasted17． A． worried