请用适当的词完成这篇日记，每个空只能填写一个形式正确、意义相符的单词。

Nov. 26, 2011, Saturday

I’m upset these days. I have_1____ problem, and I do not 2_____ how to deal with it.

I have had a lot of _3______ every day since I became a Grade 9 student. I have no choice but to do it..  I oftern stay up late to finish it and then feel 4 ____ the next day.

5______ I undrestand that it is important to do my homework and _6____ it in on time. Sometimes I still don’t want to do so much homework. I almost have no free time for my hobbies, 7_____ as playing volleyball and ping-pong. The worst thing is that I even have homework on weekends and holidays. The longer the holidays are, the 8_______ homework I get. I really feel bad about it.

I am looking forward to a holiday9_______ homework so that I can relax and have some time for my hobbies. What should I do? I really hope that someone can give 10____ some suggestions. I am sure they will be of great value to me.

接入气动执行机构的压缩空气必须（）、（）、干燥、确保执行机构动作可靠。