题干
— Rosie, Could you lead me to the school hospital? I don't know the way.
— No problem. Let's go.
A：take … to
B：put … into
C：add … to
答案(点此获取答案解析）
A
— Rosie, Could you lead me to the school hospital? I don't know the way.
— No problem. Let's go.
A：take … to
B：put … into
C：add … to
两两夹角都是
，其模都为1，则
等于（ ）