Itrainedhardyesterday,______preventedmefromgoingtothepark.
B
本句话为非限制性定语从句，所以不能用 that 来引导。在本题中， prevent 由于是行为动词，所以正确选项应为 B。
We_____knowledgefromourfamilies,schools,jobs,andthemassmedia.
Hisintelligencewill________himtogetascholarshiptocollege.
Whenyou're_____acrisis,itoftenhelpstotalktosomeone.
He was ______ to withdraw from running for the presidency.
The sad condition of women working as house servants around the world received much media_____early this year.