A:for; any
B:to; any
C:to; either
D:for; either
It was time to go home, Martin______his rain coat and went out
已知点P把线段分割成AP和PB两段(AP>PB),如果AP是AB和PB的比例中项,那么AP:AB的值等于____ .
听到声音大时要注意张口( )