Ⅰ.用适当的介词或副词填空
1.Our school should be equipped ________ a bigger and better sports field.
2.He promised to come,but so far he has not turned ________.
3.I differ ________ my classmates on that issue.
4.The doctor said that he was ________ risk for AIDS.
5.He has run ________ of food and his children are hungry.