— Linda, how are you ________ with your new classmates?
— At first, I felt ________, but now we are good friends.
A:getting along; out of place
B:mixing; out of date
C:making friends; out of sight
下列各句中划线的词语使用正确的一项是( )
等比数列{an}中,a7=10,q=-2,则a10 =( )
过圆x2+y2+2x﹣4y=0的圆心,且与直线2x+3y=0垂直的直线方程为____
不能判定两个直角三角形全等的条件是( )