题干
Miss Li is ___________ English teacher. ________ love her very much.
A：our; We
B：ours; Our
C：our; Us
答案(点此获取答案解析）
A
Miss Li is ___________ English teacher. ________ love her very much.
A：our; We
B：ours; Our
C：our; Us
，点A（0，－2）及点B（3，a），从点A观察点B，要使视线不被C挡住，则实数a的取值范围是（ ）