He is leaving ____ Chongqing ____ some money.A./,to make B.for ,for make B.for ,to make

He is leaving ____ Chongqing ____ some money.A./,to make B.for ,for make B.for ,to make
D,/,to make
He ____ the street when a bike hit him.
A.was just crossing B,is just crossing C,just crossed D.has just crossed
I was writing when the teacher entered the classroom .(同义句转换）
I was writing when the teacher ____ ____ the classroom.