I am sleepy,so I have to go to bed.这几个单词连起来是什么意思

I am sleepy,so I have to go to bed.这几个单词连起来是什么意思 i am a little sleepy.(同义句） i am ( ) ( ) sleepy i am sleepy---ididn't sleep well last night a.because b.that c.since d.so请说明原因 i feel sleepy 和 i am sleepyi am sleepy 是我很困的意思吗 那 i feel I am feeling tired and之后用sleepy or sleeping I am so I am so happy I am lost so i am so I am so over I am so happy. so I am I am so heartache i am so afired I am so sad I am so depressed i am so disappointed i am so said...