I couldn't finish my homework because I was tired.从中插一个词

I couldn't finish my homework because I was tired.从中插一个词 I knew I couldn't finish my homework ( ). I early last night ,but I couldn't ,because I was very tired 50.I was so tired that I couldn't keep my eyes _____ I was really too busy with my homework and I couldn’t help _ i was really too busy with my homework and i couldn't help__ I haven't finish my homework yet. I haven't finished my homework because I was halping my moth I couldn’t come to help you because my car was broken. I didn't finish my homework and was criticized by our teache I didn't do my homework because I was ill._ _ _ do your home I can’t r______ before I finish my homework.