题目

根据短文内容及所给提示，在文中的空白处填写一个正确的单词。It was a cold afternoon. Mum asked me to go to buy some milk. I asked Dad w【1】I could use his car. I just got my driver's license. I thought it was a good chance for me to practice by 【2】(I). Dad loved his car and never allowed me to drive his car before. But after practicing for three 【3】 (month), I really wanted to have a try. Dad looked at me 【4】finally agreed to let me use his car. I got into the car 【5】(happy) and started it. However, I was a little scared about 【6】 (drive) the c函数，则函数与轴的交点个数是（     ） A．1    B．2    C．3    D．4