下丘脑-垂体-卵巢轴生理功能是 A．控制女性发育 B．控制正常的月经 C．控制性功能

用方框中所给单词的适当形式填空，使短文通顺、正确、连贯(每个单词限用一次)。

use  happy   healthy   fun   exercise   fly   hard   swim   listen   many

The summer vacation is over. It’s true that time always61        fast. During the vacation, the weather was hot and I could not do much work, but I lived 62        .
As the afternoon was hot. I did my work in the morning. I 63       to get up at 6:30 and take a walk in the garden for half an hour. After breakfast, I began reading English and Chinese and did some 64        in math, It took me three hours or65        . I worked quite 66and made good progress.
I spent the afternoon outside. I went to swim and it was 67        . I would not go home until it was about five or six o’clock. Sometimes a friend of mine would come to see me and we would spend some hours 68        to music.
In this way I spent my vacation slowly. And I not only studied well but also became a good 69          . now I am in good 70         and high spirits.