Ⅰ 单句语法填空
1．Divided(divide) into three groups, the students began to discuss the topic left over last time.
2．Offered(offer) an important role in a new movie, Andy has a chance to become famous.
3．Supported(support) by his brothers, he could continue his study in the university.
4．Founded(found) in 1636, Harward is one of the most famous universities in the United States.
