题目内容：

先通读下面的短文，掌握其大意，然后在每小题所给的四个选项中，选出可以填入空白处的最佳选项。

After a long day at school, I walked home with my heavy schoolbag. Sleepy and _______, I threw my things on the sofa and took something from the kitchen to eat. I passed the living room and wished I could watch TV, but I knew my _______ would take me the whole night. I took my schoolbag and went _______ to my room. I tried to understand chemistry and fight with sleepiness at the same time. I tried to keep my eyes open and wanted something to cheer me up.

Later, I heard the sound of the front door opening. And I waited for it--- the sound of my mum singing. Though she sang off-key, it made me excited. I ran down to _______ my mum. We hugged each other and talked for a while. I liked it when my mum was happy. Her energy seemed to run down to me and I got the strength to _______ the stress again.

Sometimes, I wonder how my mum can still be ________ after coming back from work. Every weekday, she wakes up early in the morning to go to work and spends an hour on the bus. After work, my mum at times gets trapped in _______for two hours on her way home. When I _______ my school life with her work life, I should not be the one to _______. At least I have some interesting things to do at school. I notice that my mum lives her life with a joyous heart, which encouraged me to do my work well, _______ there may be difficulties. Seeing her happy makes me feel good too.

1.A. happy            B. busy            C. hungry         D. crazy

2.A. dream            B. supper        C. homework        D. experience

3.A. downstairs      B. outside         C. upstairs       D. inside

4.A. interview        B. greet           C. thank          D. help

5.A. face             B. change          C. make           D. leave

6.A. creative         B. active         C. imaginative    D. attractive

7.A. business         B. traffic         C. duty           D. task

8.A. replace          B. exchange       C. connect        D. compare

9.A. complain         B. decide          C. study          D. play

10.A. since           B. though          C. until          D. Because