﹣4,﹣ 103 ,0, 157 ,2013,﹣2012,0.050050005…(每两个5之间多一个0),π
下列语句是有关几何作图的叙述.
①以O为圆心作弧;②延长射线AB到点C;③作∠AOB,使∠AOB=∠1;④作直线AB,使AB=a;⑤过三角形ABC的顶点C作它的对边AB的平行线.其中正确的有____ .(填序号即可)
—Does Tom__________ any brothers?
—Yes, he__________.