给加下划线的词语选择合适的一项，只填序号。

这个苹果熟透了。（      ）

①快递车从甲地到乙地的速度为100千米/时；

②甲、乙两地之间的距离为120千米；

③图中点B的坐标为（3 $\frac{3}{4}$ ，75）；

④快递车从乙地返回时的速度为90千米/时，

以上4个结论正确的是____．

____In the afternoon，Bill helped his father pick grapes.

____It was sunny today.

____It was so great.

____Then we rode horses together.

____Then he went fishing with me.

____Bill and I got up early.

____We had a race. Bill won.

____He did homework first.

在下列图形中，是平面上曲线图形的有（     ）个        ①三角形     ②正方形    ③长方形     ④圆