— Mom, I found that my book open on Jack's desk last night.
— Really? I couldn't believe that he to me yesterday.
A:lay; lie
B:lie; lied
C:lied; lied
D:lay; lied
如图,一个空心圆柱体,其左视图正确的是( )
已知双曲线x2-y23=1的左顶点为A1,右焦点为F2,P为双曲线右支上一点,则PA1→·PF1→的最小值为( )
某校八年级学生王昊动一天在街闲逛,听说拨打119电话不要钱,于是就在一个公共电话随意拨打了119电话,谎称某地着火。王昊动同学的这种行为是
( )