题目内容
将下列句子变为被动语态
People grow tea in China.
Tea ________ ________ in China.
People found a boy crying in the street.
A boy ______ crying in the street.
People produce silk in Zhejiang.
Silk ________ ________ in Zhejiang.
The workmates call him Xiao Wang.
He ________ ________ Xiao Wang by the workmates.