Correct the errors in the following sentence.At the age of ten I

Correct the errors in the following sentence.
At the age of ten I had to recite a poem in church. I was afraid of the adults in the audience. Knowing they would pity me if I forgot my lines. I was also worried that the kids would giggle at me. To make laugh if possible.
【正确答案】：At the age of ten I had to recite a poem in church. I was afraid of the adults in the audience,knowing they would pity me if I forgot my lines. I was also worried that the kids would giggle at me , making laugh if possible.
【题目解析】：p45